[Android Software Development] LiaFourté:
*** Disclamer

* I'm not responsible for bricked devices, dead SD cards, thermonuclear war, or you getting fired because the alarm app failed (like it did for me...).
* YOU are choosing to make these modifications, and if you point the finger at me for messing up your device, I will laugh at you.
* Your warranty will be void if you tamper with any part of your device / software.

[B][U][SIZE="5"]Introduction[/SIZE][/U][/B]
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LineageOS is a free, community built, aftermarket firmware distribution of Android 7.1.2 (Nougat), which is designed to increase performance and reliability over stock Android for your device.

LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

All the source code for LineageOS is available in the LineageOS Github repo. And if you would like to contribute to LineageOS, please visit out Gerrit Code Review.

LIneageOS 14.1 has now been ported from source and is available for the Brown 1. This ROM is not recommended to be used as a daily driver because of its issues. As usual do not hesitate to let us know of any issues regarding this ROM.
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[B][U][SIZE="5"]Installation instructions[/SIZE][/U][/B]
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-- 1. Unlock the bootloader of your device on PC through ADB. Do a research about it on Google.
• Before proceeding, please make sure that you have already installed MediaTek USB Drivers on your PC, otherwise it will not work!
• Plug your Brown 1 to your PC
• Go to a folder, and right click to reveal the “Open Command Window Here” option by holding the “Shift” button and by clicking the right button of your mouse simultaneously.
• Type this line “adb reboot bootloader”
• Once your Brown 1 is in its bootloader, type this another line “fastboot oem unlock”
• Now, once it’s unlocked, It will erase everything stored in your phone’s Internal Storage. Please do a backup of your files first to avoid losing your files.
• Congrats, Bootloader is now unlocked!

2. After unlocking the bootloader, flash TWRP via PC.
• Before proceeding, please make sure that you have already downloaded all the files in your SD Card, otherwise, your Brown 1 will encounter a bootloop.
• Install MediaTek USB Drivers and “15 Second ADB Installer” from XDA.
• After installing. Download the PitchBlack Recovery File.
• Now, go to the folder where the pitchblack recovery is downloaded, and right click to reveal the “Open Command Window Here” option by holding the “Shift” button and by clicking the right button of your mouse simultaneously.
• Type this line “adb reboot bootloader”
• Your Brown 1 should boot now into its bootloader, now, type this line “fastboot flash recovery PBRP-2.9.0-20190119-V4701_I01-UNOFFICIAL.img”
• After that, type this line “fastboot boot PBRP-2.9.0-20190119-V4701_I01-UNOFFICIAL.img”
• Your Brown 1 should boot automatically to PitchBlack Recovery.
• Done!

3. Decrypt your phone.
• If you’re now on Pitch Black Recovery, ignore the “Enter your encryption password” dialogue, and then flash “Disable_Dm-Verity_ForceEncrypt_12.16.2018.zip” from your SD Card to decrypt your Brown 1.
• After that, reboot your phone to recovery mode again, and then perform a factory reset.
• Done!

4. (OPTIONAL) Firmware Backup
• Click the “Backup” Button
• Swipe to perform the action
• Done! You can use this backup file when you encountered a bootloop, or something like that.

5. Flash Lineage OS 14.1
• Root first, Flash "Magisk (v18.0).zip" on PitchBlack Recovery
• After that, Click the “Wipe” button
• Perform a clean wipe by clicking the “Advanced” button and ticking system, data, dalvik and cache. Do not wipe your SD Card or your Internal Storage.
• Locate where the Custom ROM is stored and look for this file “lineage-14.1-20190525-UNOFFICIAL-V4701_I01.zip"
• And then, Flash it.
• After flashing it, flash Google Apps by looking for “open_gapps-arm64-7.1-mini-20190119.zip”
•After flashing Google Apps, flash Magisk again to obtain root access, look for "Magisk (v18.0).zip"
• After flashing all those files, reboot your system and enjoy!
• Congratulations! You have now flashed Lineage OS 14.1 on your Brown 1! Please take note that first boot will take 5 to 10 minutes, so please be patient.
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[B][U][SIZE="5"]Changelog[/SIZE][/U][/B]
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[CODE]
Current changelog: -- v1.0 (20190525)
[note] -- • First Initial Release
• March 2019 Security Patch from Sources
• Based from Nokia 3

What's working?

What are the bugs?

Download

Credits

* • Lineage OS Team – For the continuation of the CyanogenMod Project; for developing this AOSP based ROM
* • Optimitist ROM Portings (My Team) – For distributing the ROM that I ported
* • Brahm Daniel Verano (me) – For making this possible to Brown 1 and MediaTek MT6735 devices

XDA:DevDB Information

Lineage OS 14.1 for Brown 1, ROM for all devices (see above for details)

Contributors

Brahm Daniel

ROM OS Version: 7.x Nougat

ROM Kernel: Linux 3.x

ROM Firmware Required: Stock Firmware

Based On: Lineage OS

Version Information

Status: Alpha

Current Stable Version: v1.5 FINAL (20190905

Stable Release Date: 2019-09-05

Current Beta Version: v1.3 (20190725)

Beta Release Date: 2019-07-25

Created 2019-06-09

Last Updated 2019-06-09