Samsung Galaxy J4 J400GDXU2ARJ2 Firmware
Samsung Galaxy J4 J400GDXU2ARJ2 is an Android 8.0.0 (Oreo) firmware for New Zealand (NZC, TNZ, VNZ, XNZ), Philippines (GLB, SMA, XTC), Taiwan (BRI). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build J400GDXU1ARDC https://samfirm.shop/build/J400GDXU1ARDC: Android updated from Android 9 (Pie) to Android 8.0.0 (Oreo); bootloader binary raised from 1 to 2, so after installing it there is no way back to older builds. A newer build for SM-J400G is available: J400GDXS9CVE3 https://samfirm.shop/build/J400GDXS9CVE3.
Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
All regional downloads
Pick your region (CSC) to download the matching firmware package.
No matching downloads
How to flash J400GDXU2ARJ2
- Install Samsung USB Drivers:Download Official Drivers
- Download Odin Flash Tool:
- J400GDXU2ARJ2 has bootloader binary 2. Your device must run binary 2 or lower: it is the 5th character from the end of your current build number.
- CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
- HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
- The Download Mode key combo depends on the model: see all combos.
What's new in J400GDXU2ARJ2
· The security of your device has been improved.
Rollout of J400GDXU2ARJ2 by region
- First release
- November 26, 2018
- Last region
- December 1, 2018
- Duration
- 6 days
- Regions
- 8
- Day 1 · · 4 regionsPhilippinesGLBSMAXTCTaiwanBRI
- Day 6 · · 4 regionsNew ZealandNZCTNZVNZXNZ
Device specifications
- Display diagonal14 cm (5.5")
- Display resolution720 x 1280 pixels
- Display typeSAMOLED
- RAM2 GB
- Rear camera resolution13 MP
- Rear camera typeSingle camera
- Battery capacity3000 mAh
- Weight175 g
Specifications of SM-J400F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
Frequently Asked Questions
Other builds and changelog for Samsung Galaxy J4
• The security of your device has been improved.
- J400GDXS9CVE3Jul 29, 2022
- J400GDXS9CVE1Jul 29, 2022
- J400GDXU9CUK1Feb 15, 2022
- J400GDXU9CUJ2Jan 17, 2022
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
- J400GDXU8CUF3Aug 10, 2021
- J400GDXU8CUF2Jul 2, 2021
• The security of your device has been improved.
· The security of your device has been improved.
One UI 2 brings you Android 10, with exciting new features from Samsung and Google based on feedback from users like you.
We recommend that you back up your important data to keep it safe during the upgrade.
Some apps, including Calculator, Samsung Internet, Samsung Health and Samsung Notes, need to be updated individually after you update your OS.
Here's what's new.
Dark mode
- Enhanced image, text, and color adjustments for day and night environments.
- Dark...
Show 11 older builds
· The security of your device has been improved.
- J400GDXS6BTE1Jun 26, 2020
- J400GDXS5BTD2Apr 17, 2020
- J400GDXS5BTA1Feb 7, 2020
· The security of your device has been improved.
One UI brings you Android Pie, with exciting new features and a whole new look and feel based on feedback from users in Samsung and Google.
We recommend that you back up your important data to keep it safe before the upgrade.
Some apps, including Calculator, Samsung Internet, Samsung Health, Samsung Notes, Samsung Members, and Samsung Pay, need to be updated individually after you update your OS.
To use the Remote unlock function in Find My Mobile on an Android P...
· The security of your device has been improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
· The security of your device has been improved.
- J400GDXU2ARL1Dec 12, 2018
- J400GDXU2ARJ2Nov 26, 2018