Galaxy S3 AT&T LineageOS 14.1, Nougat 7.1 ROM

Tagged: d2att, Galaxy S3 ATT, Lineage 14.1

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February 1, 2017 at 3:05 PM #12107
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Android Nougat 7.1 ROM, Galaxy S3 AT&T LineageOS 14.1 has now arrived via an OFFICIAL build. If you want some more Lineage ROMs for other devices then stay tuned the LineageOS 14.1 ROM collection page. If you are looking Lineage 14.1 for Galaxy S3 i9300 variant then here is the Lineage 14.1 for Galaxy S3.
DISCLAIMER:
THIS IS AN INITIAL NIGHTLY BUILD WHICH MAY HAVE MANY MORE BUGS THAN YOU CAN EXPECT. HAVE A BACKUP BEFORE FLASHING THIS AND TRY AT YOUR OWN RISK. Installing a custom ROM on a Galaxy S3 AT&T (d2att, i747) requires the bootloader to be unlocked on the Galaxy S3 AT&T (d2att, i747) phone, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup all data on the phone. You are the only person doing changes to your phone and I cannot be held responsible for the mistakes done by you.
Status of Galaxy S3 AT&T Lineage 14.1 Nougat 7.1 Custom ROM:
WHAT’S WORKING:
– Not Known
KNOWN ISSUES:
– Not Known

REQUIRED LINKS AND FILES FOR Galaxy S3 AT&T LineageOS 14.1 NOUGAT CUSTOM ROM:
- TWRP recovery for S3 AT&T (d2att, i747)
  – Custom Recovery Installation Guide on Samsung Galaxy S3 AT&T (d2att)
- ROM Download link (OFFICIAL) of Lineage 14.1 for Galaxy S3 AT&T (d2att, i747)
  If you want to upgrade this OFFICIAL Lineage 14.1 on top of CM14.1 ROM without wiping data then you can refer this CyanogenMod to Lineage upgrade guide.
- Lineage Nougat GApps download link for Galaxy S3 AT&T LineageOS 14.1 Nougat 7.1 ROM
Root binary is inbuilt in LineageOS 14.1, so you don’t need a separate SuperSu package to install to gain ROOT access. Here is How to Enable ROOT on LineageOS 14.1
If there is no in-built ROOT or it does not work for some reason then you can try flashing SuperSU zip using recovery to gain ROOT access.
HOW TO INSTALL/DOWNLOAD/FLASH/UPDATE LINEAGE 14.1 FOR Galaxy S3 AT&T NOUGAT CUSTOM ROM:
1. Follow this if you are flashing LineageOS 14.1 for Galaxy S3 AT&T (d2att, i747) for the first time, or coming from another ROM:
  Points to NOTE:
  – Try to avoid restoring apps backup using Titanium Backup. It may break things up.
  – Don’t restore system data using Titanium Backup! It will definitely break the current installation.
  – It is also discouraged to Restoring Apps + Data using Titanium Backup.
  - Download and Copy the GApps and Galaxy S3 AT&T Lineage 14.1 ROM ZIP to your phone.
  - Boot into Recovery. Make sure to have a Custom recovery like CWM or TWRP or any other custom recovery. If not then follow the Custom Recovery Installation Guide for Galaxy S3 AT&T (d2att) (it’s a generic guide which will work for TWRP as well as CWM recovery or any other recovery)
  - Wipe data factory reset, Cache partition, Dalvik Cache and Format the System partition.
    – Here is a guide explaining how to wipe data using TWRP recovery.
    This will delete all your data on your phone. You may consider complete backup of your phone data or take a NANDROID backup of the current ROM
    – How to backup all data on your Android Device
    – how to take NANDROID backup using TWRP recovery
  - First flash the Galaxy S3 AT&T Lineage 14.1 ROM ZIP from device. Then flash the GApps zip from your device memory.
    – Here is a post explaining how to install LineageOS.
  - Then reboot into recovery (don’t skip this) and flash the Lineage 14.1 Nougat GApps package.
    – Here is a post explaining how to flash GApps using TWRP recovery.
  - Reboot and Enjoy the Nougat 7.1 Lineage 14.1 ROM for Galaxy S3 AT&T (d2att, i747).
2. Upgrading from earlier version of Lineage 14.1 for Galaxy S3 AT&T (d2att, i747):
  - Copy the latest Galaxy S3 AT&T Lineage 14.1 ROM ZIP file to your phone.
  - Boot into Recovery.
  - Flash the latest CM ROM ZIP from your phone.
    – Here is a post explaining how to install LineageOS.
  - Then flash the Lineage 14.1 Nougat GApps package.
    – Here is a post explaining how to flash GApps using TWRP recovery.
  - Reboot and Enjoy
Complete the initial setup and enjoy Android Nougat 7.1 with Lineage 14.1 for Galaxy S3 AT&T (d2att). After the installation of Lineage 14.1 for Galaxy S3 AT&T (d2att) you may want to enable ROOT access on your phone and here is how you can do that:
How to Enable ROOT on LineageOS 14.1.
Stay tuned or Subscribe to the Galaxy S3 AT&T (d2att) forum For other Android Nougat ROMs, LineageOS 14.1 ROMs, other ROMs and all other device specific topics.
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