Samsung Galaxy Mega 5.8 I9150 GT-I9152 Firmware

Last Updated: June 27, 2026

If your Samsung Galaxy Mega 5.8 I9150 GT-I9152 is acting up, the official stock ROM is the best fix. I have put together the necessary files and steps on this page to get your device back to its original condition.

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Samsung Galaxy Mega 5.8 I9150 GT-I9152 Firmware (Flash File) Drivers, Tools & Guide

Flashing Samsung firmware with Odin is a routine job once you have the right files. I have everything you need here: the correct firmware for the Samsung Galaxy Mega 5.8 I9150 GT-I9152, the right Odin version, and the steps that work.

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.

Only one firmware build is currently available for the Samsung Galaxy Mega 5.8 I9150 GT-I9152. This is the stock ROM you should use for recovery, unbricking, or FRP bypass. As a Samsung device, the Samsung Galaxy Mega 5.8 I9150 GT-I9152 uses Odin for firmware installation. This is the same tool Samsung service centers use, and it works with all Galaxy devices regardless of chipset. The stock firmware ships with Android 4.2.2 (Jelly Bean), TouchWiz UI, which determines the default apps, security features, and interface you will see after flashing.

Samsung firmware uses a multi-file system (AP, BL, CP, CSC) specific to Odin-based flashing, which differs from single-file scatter-based tools. This firmware was sourced directly from verified repositories and checked for integrity before being listed on this page.

Your Samsung Galaxy Mega 5.8 I9150 GT-I9152 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.

This process restores the phone to its original factory state, which means all your personal data will be lost. That clean wipe is exactly what fixes persistent problems like bootloops, forgotten locks, Google account verification, battery drain, and system errors.

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Hard Reset Samsung Galaxy Mega 5.8 I9150 GT-I9152

To factory reset Samsung Galaxy Mega 5.8 I9150 GT-I9152 without a computer, 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 Mega 5.8 I9150 GT-I9152 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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Remove FRP Lock on Samsung Galaxy Mega 5.8 I9150 GT-I9152

The fastest way to bypass FRP on Samsung Galaxy Mega 5.8 I9150 GT-I9152 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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Why Flash Stock ROM on Samsung Galaxy Mega 5.8 I9150 GT-I9152?

Samsung devices like the Samsung Galaxy Mega 5.8 I9150 GT-I9152 are flashed using Odin, regardless of the chipset inside. Whether you are dealing with a boot issue or a software problem, flashing the official firmware can resolve it:

• Unlock your device if it has been locked or disabled.
• Recover your device when it only boots into recovery mode.
• Fix startup loops, lagging, and freezing on your device.
• Resolve OTA update failures and battery drain issues.
• Resolve touchscreen responsiveness issues caused by a corrupted system build.
• Fix Wi-Fi, Bluetooth, or mobile data connectivity that stopped working after an update.
• 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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Samsung Galaxy Mega 5.8 I9150 GT-I9152 Firmware Compatibility Check

The single biggest 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-I9152). 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 Mega 5.8 I9150 GT-I9152

Here is a quick overview of the official firmware specifications:

Firmware Information	Details
Device Model	Samsung Galaxy Mega 5.8 I9150 GT-I9152
Firmware Version	N/A
File Size	916 MB
Android Version	Android 4.2.2 (Jelly Bean), TouchWiz UI
Platform	Broadcom BCM28155
Release Date	Released 2013, May
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 Mega 5.8 I9150 GT-I9152 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 Mega 5.8 I9150 GT-I9152 Firmware

Download the official stock firmware for your Samsung Galaxy Mega 5.8 I9150 GT-I9152 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: I9152DDUANK1_I9152ODDANK1_INU.zip Size: 916 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 Mega 5.8 I9150 GT-I9152 (GT-I9152) should not be confused with other Galaxy Mega 5.8 I9150 variants that may have different chipsets or regional firmware. Even devices in the same Galaxy Mega 5.8 I9150 line can use completely different processors. Always verify your exact model code “GT-I9152” in Settings > About Phone before downloading any firmware from this page.

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Before You Start: Samsung Galaxy Mega 5.8 I9150 GT-I9152 Requirements

Go through this list before you open Odin for the Samsung Galaxy Mega 5.8 I9150 GT-I9152. 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. Record IMEI Before Flashing: Dial *#06# and save both IMEI numbers somewhere safe, a screenshot works. If flashing corrupts the baseband, these numbers are what you will need to restore cellular connectivity.
2. Unlink Google Accounts: Go to Settings, then Accounts, and remove all Google accounts. This prevents Factory Reset Protection from activating after the flash. It is the single most skipped step and causes the most post-flash headaches.
3. Remove Samsung Accounts: Sign out of all Samsung accounts to avoid KG lock.
4. Full Data Backup: Flashing erases everything. Transfer your photos, contacts, app data, and any important files to your computer or cloud backup before starting.
5. Charge the Battery: Make sure you have at least 50% charge. A dead battery during a flash can corrupt the system partition and turn a fixable problem into a much bigger one.
6. Windows PC and USB Cable: You will need a Windows computer and a data-capable USB cable. Cheap charge-only cables are the number one reason flash tools fail to detect devices.
7. Driver Installation:
   • Samsung USB Drivers

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Flashing Samsung Galaxy Mega 5.8 I9150 GT-I9152 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. Get the Firmware Ready:
   • Download the firmware file from the download section above.
   • Right-click the ZIP and select “Extract Here” or use 7-Zip. Put the extracted files in a folder without spaces in the name, like C:firmware.
2. Verify Your Drivers:
   • Make sure the required drivers are installed. After installing, restart your PC, drivers often do not activate until after a reboot.
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:
   • Hit the “Start” button in the flash tool to start the process.
   • Leave the phone and cable completely alone until it finishes. Any interruption during this stage risks corrupting the flash.
6. Wait and Reboot:
   • When the flash completes, unplug the USB cable from your phone.
   • Turn on the device. First boot takes 3 to 8 minutes, do not force restart it during this time.

Video Guide for Flashing

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What to Expect After Flashing

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.
• Notification sounds and ringtones will be back to factory defaults. Any custom tones you had set before will need to be re-downloaded and re-assigned in Settings.
• Stuck in a bootloop after first boot? Enter recovery mode and do a factory reset from there, see the hard reset guide above. This can happen occasionally and does not mean the firmware is wrong.
• 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.
• Dial *#06# immediately after setup to check your IMEI. Do this before you insert a SIM card. If it shows “unknown” or “null”, follow the IMEI repair guide below before doing anything else.
• 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.
• 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.

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Troubleshooting Samsung Galaxy Mega 5.8 I9150 GT-I9152 Flash 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 Mega 5.8 I9150 GT-I9152 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 Mega 5.8 I9150 GT-I9152 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 Mega 5.8 I9150 GT-I9152

Q1: My device is not detected by Odin. What should I do?
A: Start with the drivers, reinstall the Samsung USB drivers, restart your PC, then try again. Switch to a USB 2.0 port if you are on USB 3.0. Disable your antivirus temporarily. If none of that works, leave a comment with the exact error message.

Q2: Do I need an internet connection during flashing?
A: No. The flashing process is entirely offline, it happens between your PC and the phone via the USB cable. You do not need internet at any point during the flash itself. You will need internet later to set up the phone and download your apps.

Q3: What should I do if I encounter an FRP lock after flashing?
A: Use our free Android apps launcher. FRP lock activates when a Google account was still signed in before flashing. This is why signing out of your Google account before flashing avoids this issue entirely.

Q4: 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.

Q5: 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.

Q6: 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.

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 void my warranty?
A: Flashing official stock firmware generally does not void your warranty since you are restoring the device to its factory-intended state. However, some manufacturers may flag that the bootloader was unlocked or that the flash counter increased. Check your specific warranty terms with Samsung support if you are concerned.

People Also Ask About Samsung Galaxy Mega 5.8 I9150 GT-I9152

What is the latest firmware version for Samsung Galaxy Mega 5.8 I9150 GT-I9152?
The latest available Samsung Galaxy Mega 5.8 I9150 GT-I9152 firmware on this page is version the latest version. This page has 1 firmware build available for download. Check the firmware details table above for file sizes and Android versions.

Will flashing firmware on Samsung Galaxy Mega 5.8 I9150 GT-I9152 erase my data?
Yes. Flashing stock firmware on the Samsung Galaxy Mega 5.8 I9150 GT-I9152 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 Mega 5.8 I9150 GT-I9152 model number before flashing?
Go to Settings > About Phone on your Samsung Galaxy Mega 5.8 I9150 GT-I9152 and look for the model number “GT-I9152”. 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 Mega 5.8 I9150 GT-I9152?
Yes. If your Samsung Galaxy Mega 5.8 I9150 GT-I9152 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 Mega 5.8 I9150 GT-I9152 Firmware

The flash is done. Your Samsung Galaxy Mega 5.8 I9150 GT-I9152 is back on official stock firmware and should be running without the issues that brought you here.

If anything went differently than described, an error message, a step that did not match your setup, post it in the comments. I respond to every question.

This guide gets updated when new builds are released, so you can come back anytime you need a newer version.

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.