The 2018-04-19 build has two primary bugs: ("Can't connect to camera") and occasional Audio routing drops during video playback or VoIP calls. Follow these steps to resolve them. Method A: Flashing the Flashable Fix Zip (Easiest)
Go to Developer Options and set "Window animation scale," "Transition animation scale," and "Animator duration scale" to 0.5x or Off . Step-by-Step Installation Guide (The Correct Order)
The most common root cause for the “3G not working” or “SIM not detected” error is a . When you flash a custom ROM, it does not always update or properly interface with the proprietary Samsung modem drivers stored in the “EFS” or “Modem” partitions. If these partitions become corrupted or incompatible, the tablet loses the ability to communicate with the mobile network.
Once all files are flashed and the fixes are applied, return to the TWRP main menu, tap , and select System . lineage14120180419unofficialgtel3g fix
Hibernating background apps will significantly reduce RAM usage. 5. Should You Update?
This is an unofficial build created by a community member. It is not signed or maintained by the official LineageOS team, so it will not receive automatic updates.
: Cycle device power to force the Android runtime framework to parse your new optimizations. Post-Fix Maintenance and Upkeep The 2018-04-19 build has two primary bugs: ("Can't
(Optional) Repeat the step to flash Magisk or AddonSU if you want root capabilities. Applying the "lineage14120180419unofficialgtel3g" Fixes
If you get a "Status 7" error in recovery, it’s usually because the script doesn't recognize your device model name.
If the above fixes do not resolve the issue, try the following advanced methods. Step-by-Step Installation Guide (The Correct Order) The most
The stock camera app on this specific build often freezes, crashes, or displays a corrupted green tint on the viewport. : Go to Settings > Apps > Camera. Step 2 : Clear Cache and Clear Data.
If your tablet is stuck on the LineageOS animation (the "bouncing dot"), it is often due to a "dirty" flash or incorrect partition wiping.
Open /system/etc/media_codecs.xml and comment out or remove the Marvell hardware entries, ensuring the software fallback is prioritized:
Update your TWRP recovery to the latest version available for the SM-T531. If it persists, you may need to edit the updater-script inside the ROM zip to remove the assert lines. 2. RIL (Radio Interface Layer) Fix
Fix common issues on LineageOS 14.1 20180419 unofficial GTE-L3G with our comprehensive guide. From bootloops to camera issues, we've got you covered!