[Sony Xperia XA1 Ultra ROMs, Kernels, Recoveries, &] janjan:
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Xperia XA1 (G3121), Xperia XA1 Dual(G3112), Xperia XA1 Ultra(G3221/G3223), Xperia XA1 Ultra Dual(G3212) and Xperia XA1 plus Dual (G3412)-SHOULD ALSO WORKS WITH OTHER VERSION TOO. ​

I am sharing my kernel/boot.img, which is build from Sony Open Source/Qualcomm/ and android source (Very close to Stock KERNEL). Designed to keep balance security/ with high Performance and battery life.​

###Disclaimer###
I am not responsible for any damage, broken or boot looping.

Please read the instructions and notes before flashing anything. Don't ask me if you don't read the instructions.​

Please respect and try to help each other. You may face sometimes that I cannot answer your questions/or answer your questions a bit later. I am busy with my work and don't have enough time to read and answer all your questions at the same time.

DONATE ME HERE

DONATE-HERE

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Requirements-

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- A working driver for your device.

USB drivers for Xperia devices

- Unlock bootloader

- YOUR firmware must match my kernel version. I used to update the kernel with latest firmware. (DOWNLOAD LATEST VERSION FROM HERE:- LATEST FLASHTOOL)

- Backup your stuff for future

- YOU NEED a refresh stock ROM (means you have to wipe EVERYTHING). Use flashtool to flash the latest firmware. (Remember to check Wipe USERDATA in flashtool)

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Instructions-FLASHING KERNEL/BOOT AND CUSTOM-TWRP RECOVERY

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- First flash the latest firmware.

- Then You need to flash my kernel/boot image and then the twrp-recovery

- adb devices
- adb reboot bootloader
- fastboot flash boot boot.img
- fastboot reboot (YES WE HAVE TO REBOOT)

- Let the device boot completely

- Ensure everything is working, Then

- Reboot the your device into bootloader again and flash the custom- recovery image

- adb reboot bootloader
- fastboot flash recovery recovery.img

IMPORTANT

- Now unplug your device and hold Vol down + power buttons. You have to release both buttons after vibrate.

- Enjoy custom recovery

- Flash the latest magisk to achieve root

- Enjoy

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Features 17/9/2018

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- Based on latest kernel source VERSION = 4, PATCHLEVEL = 4, SUBLEVEL = 83 (48.1.A.2.50) January 9, 2019

- Up to date with the September security update—January 9, 2019

- Hide verifiedbootstate from /proc/cmdline in order to fix the failed SafetyNet CTS check(It can still fail through other means)-GOOGLE PAY SHOULD WORK

- Remove verifiedbootstate flag from /proc/cmdline - Disable CRC check

- Support wireguard VPN protocol

- dm-verity removed

- Sepolicy is patched for latest Oreo (deodex ROMs)

- Scheduler optimize/support for heterogeneous multi-core. Battery efficiency

- Multi-core scheduler enable/optimized

- A lot subsystems converted to use power efficient work-queues

- CAF improvements and optimized

- Enable latest energy aware scheduling patches

- Enable work-queue power-efficient mode by default

- Several other patches to improve the speed and battery usage

- Tweaked the scheduler to reduce/save power by scaling down the frequency of the CPU's or idling them,

- Tweaked to predict the best time to save power on the CPU without affecting performance

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Downloads

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Xperia XA1(G3121-G3112-G3125-G3116-G3123)-(48.1.A.2.50)-(4/Feb/2019)

[KERNEL+RECOVERY]

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Xperia XA1 Ultra Dual(G3212)-(48.1.A.2.50)-(17/January/2019)

[KERNEL][CUSTOM-RECOVERY]

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Xperia XA1 Ultra(G3221)-(48.1.A.2.50)-(18/January/2019)

[KERNEL][CUSTOM-RECOVERY]

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Xperia XA1 Plus Dual (G3412)-(48.1.A.2.50)-(18/January/2019)

[KERNEL][CUSTOM-RECOVERY]

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Source/GitHub

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-42.0.A.1.69

IF YOU LIKE MY WORK AND WANT ME TO CONTINUE, THEN DON'T FORGET TO BUY ME COFFEE

DONATE ME HERE

DONATE-HERE

Special Thanks To:

If you can, donate and respect all the devs :)

[MENTION=631273]Chainfire[/MENTION] for his great work to achieve root SuperSU

[MENTION=4297219]modpunk[/MENTION] for TWRP-recovery 3.2.1-0 and drm-fix THANK YOU

[MENTION=2807379]Androxyde[/MENTION] for Flashtool. merci beaucoup pour tout

[MENTION=4120742]munjeni[/MENTION] for his great knowledge and tools for extracting SIN images

[MENTION=1461342]rrvuhpg[/MENTION] for giving me some idea about Sony XA recovery

THANK YOU SONY FOR SUPPORTING DEVs AND ALLOWING US TO UNLOCK THE BOOTLOADER

Thanks to XDA And everyone else who share their knowledge and works among us in xda.​