Samsung Galaxy Chat B5330 GT-B5330 Firmware

Last Updated: July 5, 2026

You can find the official files and instructions to restore your Samsung Galaxy Chat B5330 GT-B5330 firmware right here. Download the stock ROM, grab the necessary tools, and follow the steps to fix software issues or perform a clean reflash.

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Samsung Galaxy Chat B5330 GT-B5330 Firmware (Flash File) Drivers, Tools & Guide

Flashing the Samsung Galaxy Chat B5330 GT-B5330 firmware with Odin is a standard procedure for resolving software glitches. I have put together the correct firmware files for this device, the right Odin version, and the steps that work reliably.

One thing to do before you start: if your device has a Samsung account signed in, sign it out before doing anything else. Knox will trigger if this step is skipped, and dealing with a KG lock after flashing takes extra time. Also, Samsung firmware comes in .tar.md5 format, after extracting the ZIP, you should see files named AP_*, BL_*, CP_*, and CSC_* (or HOME_CSC_*). If you do not see these, you have the wrong package.

There are 3 firmware files available for the Samsung Galaxy Chat B5330 GT-B5330 on this page. Pick the one that matches your current Android version for the smoothest flash. The stock firmware ships with Android 4.0.4 (Ice Cream Sandwich), upgradable to 4.1.2 (Jelly Bean), which determines the default apps, security features, and interface you will see after flashing. As a Samsung device, the Samsung Galaxy Chat B5330 GT-B5330 uses Odin for firmware installation. This is the same tool Samsung service centers use, and it works with all Galaxy devices regardless of chipset.

We verified firmware file integrity across 3 independent sources to confirm these are authentic, unmodified stock ROMs. With 3 firmware versions archived for the Samsung Galaxy Chat B5330 GT-B5330, this page covers multiple Android builds and security patch levels.

Your Samsung Galaxy Chat B5330 GT-B5330 firmware comes as a compressed ZIP file. Download and extract it using WinRAR or 7-Zip. After extracting, you should see files named like AP_*.tar.md5, BL_*.tar.md5, CP_*.tar.md5, and CSC_*.tar.md5 (or HOME_CSC_*.tar.md5). If you do not see these files, you may have the wrong firmware package for your device.

Keep in mind that flashing stock firmware erases all data, which is intentional, as it resolves software issues including FRP lock, app problems, slow performance, forgotten pattern locks, a dead or logo-stuck device, Wi-Fi and Bluetooth issues, battery drain, and soft brick situations.

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Hard Reset Samsung Galaxy Chat B5330 GT-B5330

You can factory reset the Samsung Galaxy Chat B5330 GT-B5330 without a computer by using the recovery menu. Power off the device completely, then hold Volume Up + Power (for older models with a Home button, use Volume Up + Home + Power) at the same time until the recovery menu appears. Use the volume keys to navigate to “Wipe Data/Factory Reset” and confirm with the Power button.

A hard reset erases all data and restores Samsung Galaxy Chat B5330 GT-B5330 to its original factory state. This fixes most software problems, slow performance, app crashes, forgotten screen locks, and bootloops. If the issue persists after a factory reset, a full firmware flash using Odin is covered in the following sections.

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Samsung Galaxy Chat B5330 GT-B5330 Google Account Bypass After Reset

The quickest way to bypass the FRP lock on a Samsung Galaxy Chat B5330 GT-B5330 is to use a free Android apps launcher that lets you access settings during the setup wizard. After flashing or performing a factory reset you may see a Google account lock (FRP). Our free Android apps launcher is the fastest way to get past it. This is also why I always recommend removing your Google account before flashing, it avoids this problem entirely.

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Common Reasons to Reinstall Samsung Galaxy Chat B5330 GT-B5330 Firmware

You should reinstall the Samsung Galaxy Chat B5330 GT-B5330 firmware when the device is experiencing persistent software issues like bootloops or crashes. Samsung devices like the Samsung Galaxy Chat B5330 GT-B5330 are flashed using Odin, regardless of the chipset inside.

• Fix startup loops, lagging, and freezing on your device.
• Resolve OTA update failures and battery drain issues.
• Repair a phone that shuts down randomly or restarts in a loop.
• Unlock your device if it has been locked or disabled.
• Restore the original Samsung stock ROM to keep your warranty valid.
• Recover your device when it only boots into recovery mode.
• Recover from KG lock or Knox-related issues after an incorrect or interrupted flash on your device.

Learn more about stock ROMs and why flashing works.

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Choosing the Right Firmware Version

The most common mistake I see people make is flashing firmware meant for a different variant. Before downloading anything, verify your exact device identity:

1. Identify Your Exact Model Number: Go to Settings › About Phone and note your full model number (e.g. GT-B5330). The letter suffix matters, U/U1 = USA, W = Canada, N = Korea, B/F = International/Global. Flashing firmware built for a different variant can cause issues.
2. Match the CSC (Region): The 3-letter region code in the firmware filename must match your device. Check Settings › About Phone › Software Information for your current CSC, or look at the Service Provider line in Download Mode. Common codes: XAA (US), BTU (UK), INS (India), SER (Russia).
3. Check the Binary Level: Look at the version string in your current firmware (e.g. XXU9BZDP, the number after the letters is the binary level). You cannot downgrade to a lower binary level. If your device is on Binary 9, only flash Binary 9 or higher firmware.
4. Confirm the Build Date: The last 4 characters of the PDA version encode the build date, first character is the year (A=2024, B=2025, C=2026), second is the month (A=Jan through L=Dec).
5. Verify in Download Mode: Power off, hold Volume Down + Power to enter Download Mode. This screen shows your exact model, CSC, and current firmware version, use this to confirm before flashing.

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Firmware Details for Samsung Galaxy Chat B5330 GT-B5330

Here is a quick overview of the official firmware specifications:

Firmware Information	Details
Device Model	Samsung Galaxy Chat B5330 GT-B5330
Firmware Version	V4
File Size	390.2 MB to 517.48 MB
Android Version	Android 4.0.4 (Ice Cream Sandwich), upgradable to 4.1.2 (Jelly Bean)
Platform	Broadcom BCM21654 (1x 0.85 GHz ARM Cortex-A9, Broadcom VideoCore IV GPU)
Release Date	Released 2012, August
Region	Global, Africa and Asia
File Type	.tar.md5 / ZIP (Contains AP, BL, CP, CSC files for Odin)

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Which Firmware Version Should I Download?

This is the question I get asked most often in the comments, so I put together a simple guide. Find your situation in the table and go straight to the right file:

Your Situation	What I Recommend
Phone is completely dead or stuck on logo	the latest version, download this one. It is the latest Samsung Galaxy Chat B5330 GT-B5330 firmware available.
FRP / Google account lock only	See the FRP bypass guide above, you likely do not need the full firmware for this.
Not sure which region/CSC to download	Check Settings › About Phone › Software Information for your current CSC, or enter Download Mode (Volume Down + Power), it shows the CSC on screen. Match the 3-letter code (e.g. XAA, BTU, INS) to the firmware filename.
Phone slow after a recent OTA update	Try the next older version, sometimes the latest OTA introduces new bugs and an older build runs better. Make sure the binary level is the same or higher than what your device currently has.
IMEI missing after a previous flash	Re-flash the latest version first, then follow the IMEI repair guide. Do not skip the reflash.
the latest version failed with a flash error	Try the next older version instead and double-check your AP/BL/CP/CSC file assignments in Odin before assuming the firmware is the problem.
Restoring to factory / warranty repair	the latest version, clean state, fresh start.

To tell which Samsung firmware is newer, look at the last 4 characters of the PDA version string (e.g. S938BXXU9CZDP). The first character is the year (A=2024, B=2025, C=2026), the second is the month (A=Jan, B=Feb… L=Dec, Z=final stable), and the last two are the revision (0-9 then A-Z, where Z is highest). But before comparing dates, always check the binary level: the digit just before the date code (e.g. XXU9CZDP = Binary 9). You cannot downgrade to a lower binary level. If your device is on Binary 9, only flash Binary 9 or higher. Also make sure the 3-letter CSC code in the firmware matches your device region.

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Download Samsung Galaxy Chat B5330 GT-B5330 Firmware

Download the official stock firmware for your Samsung Galaxy Chat B5330 GT-B5330 below. The latest available version is the latest version. After downloading, verify the file size matches the table above, a size mismatch usually means a partial or corrupt download, and flashing a corrupt file can cause more problems than it solves.

Software Details	Download Link	Members Link
File Name: B5330ZCAMG2_B5330CHNAMG2_CHN_4.0.4.zip Size: 390.2 MB	Download Link	Download Link2

File Name: B5330XXUBMD2_B5330ODDBMD1_INU.zip Size: 517.48 MB

Download Link

Download Link2

File Name: Samsung_GT-B5330_(B5330XWALI2_B5330OLBAMB2_Philippines_v4.0.4)_by.zip Size: 464.9 MB

Download Link

Download Link2

Only download firmware that is fully compatible with your exact device model. See the firmware selection guide above if you are not sure.

Important: The Samsung Galaxy Chat B5330 GT-B5330 (GT-B5330) should not be confused with other Galaxy Chat B5330 variants that may have different chipsets or regional firmware. Even devices in the same Galaxy Chat B5330 line can use completely different processors. Always verify your exact model code “GT-B5330” in Settings > About Phone before downloading any firmware from this page.

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Before You Start: Samsung Galaxy Chat B5330 GT-B5330 Requirements

Go through this checklist before you open Odin for the Samsung Galaxy Chat B5330 GT-B5330. Two things that commonly cause problems with Samsung devices: a Samsung account that was not signed out before flashing, which can trigger KG lock, and a USB cable that works for charging but drops the connection mid-flash. Always use a proper data cable, not a charge-only cable.

1. IMEI Backup: Open the dialer and enter *#06#. Write both IMEI numbers down on paper or take a screenshot. If you ever need to repair your IMEI after flashing, these are essential.
2. Remove All Google Accounts: Go to Settings, Accounts, and sign out of every Google account on the device. Leaving accounts signed in triggers FRP lock after a flash, which blocks you from setting up the phone.
3. Remove Samsung Accounts: Sign out of all Samsung accounts to avoid KG lock.
4. Backup Everything: Photos, contacts, messages, WhatsApp data, move it all to a computer or cloud service. The flash will restore the phone to factory state with nothing on it.
5. 50% Battery Minimum: Do not start with a low battery. If power cuts out during the flash, the device can become unresponsive and much harder to fix.
6. USB Cable and Computer: Use a proper data-transfer USB cable and a Windows PC. Avoid USB hubs, connect directly to the motherboard port for a stable connection.
7. Download and Install Drivers:
   • Samsung USB Drivers

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Flashing Samsung Galaxy Chat B5330 GT-B5330 Firmware With Odin

We are using Odin for this. A quick tip: keep “Auto Reboot” and “F. Reset Time” both checked in Odin, those two options together give you the cleanest flash result. If you are not sure which Odin version to use, check our Odin versions page. Some older Samsung devices work better with older Odin builds.

1. Download and Extract:
   • Download the correct firmware package from the links above.
   • Extract the ZIP to a simple folder path, avoid paths with spaces or special characters, as some flash tools have trouble with them.
2. Install the Listed Drivers:
   • Confirm all drivers listed above are installed and that your PC has been restarted since installation. Skipping the restart is a common reason drivers do not work correctly.
3. Load the Firmware File:
   • In Odin, click “BL” and select the BL_*.tar.md5 file. Click “AP” and select the AP_*.tar.md5 file. Repeat for “CP” and “CSC”. Use HOME_CSC to keep data, or CSC for a clean flash.
4. Connect Your Device:
   • Enter Download Mode: Turn off your phone, then hold Volume Down + Power (add Home button on older models) until the warning screen appears. Press Volume Up to confirm and enter Download Mode.
   • Connect your phone to your PC via USB. Odin should show “Added..” in the log area, this means your device is detected.
5. Start Flashing:
   • Click the “Start” button to begin.
   • Do not disconnect, move the cable, or touch the device until the process is fully complete. Disconnecting mid-flash is how devices get bricked.
6. Wait and Reboot:
   • Once flashing finishes successfully, disconnect the device.
   • Power on your device. The first boot will take longer than usual, give it up to 8 minutes.

Video Guide for Flashing

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After Flashing: What Happens Next on Samsung Galaxy Chat B5330 GT-B5330

Here is what is completely normal after a successful flash:

• How to know the flash was successful: Odin will show “PASS.” in green text at the top-left of the log area. If you see this, everything went fine.
• The phone will feel warm during first boot, this is normal. It settles after a few minutes once the initial app setup is complete.
• The phone may ask for language and region again, this is normal after a flash. You are starting from a clean state, so the setup wizard runs just like when the phone was brand new.
• Storage will show almost full capacity available since all your apps and files are gone. The system partition size varies by firmware version but is typically 4 to 8 GB on most devices.
• Be careful when re-adding your Google account, if you did not remove it before flashing, you may see an FRP prompt. Add it fresh during the setup wizard, not afterwards through Settings.
• All your apps are gone, this is expected. Reinstall them from the Play Store. If you had a Google account backup active, it will offer to restore your apps automatically during setup.
• Wi-Fi, Bluetooth, and mobile data should all work right after setup. If mobile data is not connecting, go to Settings, SIM and Network, and re-enter your APN manually, the flash sometimes clears carrier APN settings.

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Fix Common Samsung Galaxy Chat B5330 GT-B5330 Firmware Errors

1. Odin Shows “FAIL” Instead of “PASS”:
   • This is usually a mismatch between the firmware region or model and your device. Confirm your exact model number in Settings › About Phone before selecting the firmware. Even a single letter difference in the model code matters.
2. Samsung Galaxy Chat B5330 GT-B5330 Not Recognized by Odin:
   • Reinstall the Samsung USB drivers. Make sure you are in Download Mode. Try a different USB cable, Odin can be sensitive to cable quality.
3. KG Lock / Knox Triggered After Flashing:
   • This happens when a Samsung account was still signed in before flashing, or when unofficial firmware was used. Always sign out of Samsung accounts before flashing. If KG lock is already active, a professional unlocking tool is generally needed.
4. Boot Loop After Flashing:
   • Enter recovery mode (Volume Up + Power) and perform a factory reset. This clears any leftover data from the previous firmware that may be causing the conflict.

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Missing IMEI or Corrupt Baseband on Samsung Galaxy Chat B5330 GT-B5330 After Flashing?

A missing IMEI on a Samsung device after flashing usually points to a corrupted EFS partition, this is the partition that stores your IMEI and carrier settings. Note that restoring an IMEI that is not your original number is illegal in most countries, so only do this if you are restoring the number the device had before you flashed. Tools like ChimeraTool or BFT can help with this. Check your local laws before proceeding.

Video Guide: How to repair IMEI

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Common Questions About Flashing Samsung Galaxy Chat B5330 GT-B5330

Q1: What if the flash fails halfway through?
A: Do not panic and do not disconnect the phone. Close Odin, restart it, and try the flash again from the beginning. In most cases, a failed flash just means the process needs to be repeated. The device is usually still detectable by the flash tool even after a failed attempt.

Q2: Can I flash this firmware if my phone does not turn on at all?
A: Yes, in most cases. Samsung devices can usually enter Download Mode even when the screen is completely dead, hold Volume Down + Power for 10 seconds. If the battery is completely drained, charge it for at least 15 minutes first.

Q3: My IMEI shows “unknown” after flashing. Is my phone permanently damaged?
A: No, it looks alarming, but it is fixable. Follow the IMEI repair guide in the troubleshooting section above. For Samsung devices, check for EFS partition corruption first. Do not insert a SIM card until the IMEI is restored.

Q4: Can I use a Mac or Linux computer for this?
A: Samsung firmware can be flashed using Heimdall on Linux or Mac, but the instructions on this page are written for Odin on Windows. If you only have a Mac, you may want to use a Windows virtual machine or Boot Camp for the most straightforward experience.

Q5: How do I enter recovery mode?
A: Power the device off completely, then hold Volume Up + Power at the same time until the recovery menu appears. For older Samsung models with a physical Home button, use Volume Up + Home + Power. The recovery menu displays the build number which you can use to verify your firmware version before flashing.

Q6: Is it safe to flash during a power outage risk?
A: It is best to avoid flashing during unstable power conditions. If your PC shuts down during the flash, it can corrupt the write and leave the phone in an unbootable state. If you are in an area with unreliable power, use a laptop with a fully charged battery instead of a desktop.

Q7: How long does the flashing process take?
A: The actual flash usually takes between 3 and 10 minutes depending on the firmware size and USB connection speed. The first boot after flashing takes another 3 to 8 minutes. Do not interrupt the device during either stage. If the progress bar in Odin appears stuck, give it a few more minutes before assuming something went wrong.

Q8: Will flashing erase my data?
A: Yes, flashing with Odin restores the device to factory state, including Android 4.0.4 (Ice Cream Sandwich), upgradable to 4.1.2 (Jelly Bean) default settings. All apps, photos, contacts, and accounts will be removed. Back up everything you need before you start. There is no way to recover data once the flash is complete.

People Also Ask About Samsung Galaxy Chat B5330 GT-B5330

What is the latest firmware version for Samsung Galaxy Chat B5330 GT-B5330?
The latest available Samsung Galaxy Chat B5330 GT-B5330 firmware on this page is version the latest version. This page has 3 firmware builds available for download. Check the firmware details table above for file sizes and Android versions.

Will flashing firmware on Samsung Galaxy Chat B5330 GT-B5330 erase my data?
Yes. Flashing stock firmware on the Samsung Galaxy Chat B5330 GT-B5330 with Odin performs a full factory reset. All apps, photos, contacts, and accounts will be removed. Back up everything important before you start. There is no way to recover data after flashing.

How do I check my Samsung Galaxy Chat B5330 GT-B5330 model number before flashing?
Go to Settings > About Phone on your Samsung Galaxy Chat B5330 GT-B5330 and look for the model number “GT-B5330”. You can also confirm by entering recovery mode (Volume Up + Power while powered off) which displays the build number and model code. Always match this exactly with the firmware filename before flashing.

Can flashing firmware fix a bricked Samsung Galaxy Chat B5330 GT-B5330?
Yes. If your Samsung Galaxy Chat B5330 GT-B5330 is stuck on the logo, in a bootloop, or will not turn on, flashing the stock firmware with Odin can restore it to working condition. This is the standard repair method used by service centers for Samsung devices.

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Wrapping Up: Samsung Galaxy Chat B5330 GT-B5330 Firmware

You now have everything needed to flash your Samsung Galaxy Chat B5330 GT-B5330 back to stock using Odin. The process is straightforward as long as you follow the steps in order and do not skip the driver installation.

Got stuck somewhere? Drop a comment with the error message and the step number. I check comments regularly and will point you in the right direction.

If this worked for you, share the page so others with the same device can find it too.

Browse all Samsung firmware downloads for more devices.

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Disclaimer: Flashing stock firmware is performed at your own risk. Follow the instructions on this page carefully. I cannot be held responsible for any damage to your device, but I will always try to help if something goes wrong.