[Sony Xperia XA1 ROMs, Kernels, Recoveries, & Other] MAREK10747:
R4 features :

-Disabled logers

-More free memory

-More RAM

-Faster booting

-No trash

-Longer battery live

-Better than stock and stable ROM

-Prerooted - Installed last Magisk

And more features and updates .

Fixed all bug's !!

More information in last topic with last editions : CLICK HERE FOR ENTER LAST THREAD

Installation :

If you are installed not latest stock ROM you can't install my ROM . You need to install last stock rom for correct work .73 .

If you are installed last stock rom you can download zip file with R4 now .

Make backup of actual ROM with boot and recovery .

Let's start :

-Now you have installed last .73 , if not install now. That's was last moment for do that .

-If you are already installed last version stock rom .73 earlier - make a refresh : Install with wipe all .73 (you can save you data and don't wipe data)

-Download flasher with adb here : ADB

-Download and unpack to external sd card R4 ROM - RESTORE PATH : YOUR_XPERIASD CARDTWRPBACKUPSYOUR_DEVICE_ID

-Make backup your ROM

-Turn off device

-Now you can refresh or update your device

-After update/refresh device to last .73 don't allow to turn on device !!!! On finish in the flashtool you see ending , earlier than flashtool finish press vol+ and don't release to moment of blue led . Now you can click on flasher in unzipped ADB folder and release vol+ button . Flasher install new boot and recovery img .

-Ready :)

-Press two buttons - Vol- and power and wait to enter to recovery (If you see sony logo release vol- and power buttons)

-If you are in recovery choice you language , and enter to restore mode .

-Select folder with my ROM and restore (restore full : boot , system , recovery , not only system . New kernel is patched for new system !!)

-After restore turn off and wait one minute , after one minute turn on your device and wait for boot . Boot animation is off !!

-First boot is max 30 minutes , device can stay on sony logo at this time .

-Minimal battery percentage for do that is more than 50% !!

If you do anything wrong , repeat all !! If not you can hard brick your device .

If you like or download my system , please press Thanks :)

If you want to buy me a coffee for my work you can use PayPal ;) Thanks :)[/B]

[url]https://paypal.me/marek10747[/URL]

My Facebook group :

Facebook support group :) , for all devices !!

NEW UPDATE IS AVAILABLE HERE : DOWNLOAD [url]https://mega.nz/#F!YQNmyCCI!sRrDdqeey7IN4-t3aCLWAw[/URL] Copy link and paste in browser if you can't click on link . Last 8.1 R8 update . Download all files and restore in recovery !! .

R9 8.1 - 2/4/19 - Last for this moment . Next updates soon !!

[url]https://mega.nz/#F!QREiWSQA!aWY-O4ti83BGnFqVsrmNjA[/URL]

IMPORTANT NEWS :

(published: 9/4/19)

Two great updates is coming soon !! Updated is IMS , RIL , System is ready for all mods (deodex !!) , reworked build.prop with new tweaks , better kernel , faster internet , battery capacity is unlocked in software to 3450 from 2300 !! , fixed touch screen and other tweaks in new system !! System to be published soon , patch to be published in the same day (patch is for older system , patch is without boot !! , you must download first boot.img and flash before patch !! )

UPDATE :

30/April/2019

Now is available deodex with system updates for .101 rom .

File you must install via recovery . This update make some apps unstable !! . Before patch your stock system please make backup .

Please wipe only cache and dalvik , DON'T wipe data !! After install your system and apps will to be update to 8.1.1 with april patches . DOWNLOAD HERE

Update 2: Bug with unstable apps was fixed . For correct and stable working all you need my last boot.img (I publish boot.img soon with know/how about update stock system to half gsi)

Update to last ENGINEER edition :

1.Update system to last .101 , turn on device configure if you have new device .

2.Flash boot and recovery primary published for this device from me .

3.Download Deodex and Boot patched .

4.Install new V5 or latest boot.img and flash boot in recovery .

5.Install deodex zip file in recovery .

6.Reboot .

Now you can download build prop editor in play store and change flavor from user to eng or userdebug and reboot .

If you have stock rom this deodex zip and boot.img upgrade your device to last stable rom . If you have android 9 , you can back to stable android 8.1 . This deodex zip is only for last .101 rom !! Soon I publish next upgrade for XA1 unlocking new frequency in EU region ONLY . In this upgrade you must edit manifest file inside and write your model . This update to be for ... flashtool and only for classic variant without plus and ultra . This update unlock frequency in EU and is not tested in US and other variants !! In EU this upgrade make better signal and fix other problems .

May Update is cooming soon !!

1/MAY/19

New update is cooming soon !!

What's new , you can find in bulid.prop . - CLICK HERE

Possibly I share cumulative update with critical patches soon !!

Update is avalaible here .

NEW RECOVERY WITH FIXED UNMOUNTING SYSTEM IS NOW READY !! TWRP 3.2.3.0 IS NOW READY FOR DOWNLOAD.

THIS RECOVERY HAVE ONE FUNNY BUG : CAN'T INSTALL GAAPS :D . OTHER FUNCTIONS WORKING CORRECT !!

DOWNLOAD HERE

RECOVERY 3.3.0.0 FOR XPERIA XA1 IS NOW READY TO DOWNLOAD . RECOVERY DON'T HAVE BUG'S - WORKING CORRECT !!!!

DOWNLOAD HERE

V2 WITH ADDED BUSYBOX FOR ZIP'S WHAT WANT TO MOUNT SYSTEM FROM SCRIPT NOT MANUALLY .

THIS TWRP IS FOR NORMAL PEOPLES NOT DEVELOPERS . FIRST 3.3.0.0 IS DEVELOPER ONLY , BUT 3.3.0.0 V2 IS FOR ALL USERS.

DOWNLOAD HERE

UPDATE !! : If you want to use VoWifi you need to download Google dialer . In settings you can find connection's and calling via wifi !! Volte sometimes working if your provider allow for volte . For updates and install apps please use apk pure app Possible soon I publish Engineering build for power users and dev's !!

R8 and latest have support for :

-Latest magisk (installed)

-L speed

PATCH :

How to install patch :

-Manual mount system in recovery

-Install patch

-Reboot

If you don't mount system , recovery show the error and don't patch the system !!

Patch is in the same folder where is system for download . Soon I publish new boot.img with fix's bug's in system . Please update boot.img after my publish .

Planned is unlock all bands of this devices for make one device with all bands (other variants form family G31XX too , with support 700mhz for us) :

Networks

G3121 (Xperia XA1)

UMTS HSPA+: 850 (Band V), 900 (Band VIII), 1900 (Band II), 2100 (Band I) MHz

GSM GPRS/EDGE: 850, 900, 1800, 1900 MHz

LTE Bands: 1, 2, 3, 5, 7, 8, 20

G3123 (Xperia XA1)

UMTS HSPA+: 850 (Band V), 900 (Band VIII),1700 (Band IV), 1900 (Band II), 2100 (Band I) MHz

GSM GPRS/EDGE: 850, 900, 1800, 1900 MHz

LTE Bands: 2, 4, 5, 7, 12, 13, 17, 28, 29, 66

G3125 (Xperia XA1)

UMTS HSPA+: 850 (Band V), 900 (Band VIII), 1900 (Band II), 2100 (Band I) MHz

GSM GPRS/EDGE: 850, 900, 1800, 1900 MHz

LTE Bands: 1, 3, 5, 7, 8, 28, 38, 39, 40, 41M

G3112 (Xperia XA1 Dual)

UMTS HSPA+: 850 (Band V), 900 (Band VIII), 1900 (Band II), 2100 (Band I) MHz

GSM GPRS/EDGE: 850, 900, 1800, 1900 MHz

LTE Bands: 1, 2, 3, 5, 7, 8, 20

G3116 (Xperia XA1 Dual)

UMTS HSPA+: 850 (Band V), 900 (Band VIII), 1900 (Band II), 2100 (Band I) MHz

GSM GPRS/EDGE: 850, 900, 1800, 1900 MHz

LTE Bands: 1, 3, 5, 7, 8, 28, 38, 39, 40, 41M

After unlock my version of XA1 have :

(Xperia XA1 UNLOCKED)

UMTS HSPA+: 700 (Band XII), 850 (Band V), 900 (Band VIII),1700 (Band IV), 1900 (Band II), 2100 (Band I) MHz

GSM GPRS/EDGE: 700, 850, 900, 1800, 1900 MHz

LTE Bands: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 29, 38, 39, 40, 41M ,66

UMTS HSPA+: 5

GSM GPRS/EDGE: 5

LTE Bands: 18

IMPORTANT INFORMATION :

If you want to use my android you must install first gboard and other launcher than stock . You can't wipe data because you get bug's after wipe data !!

Next generation of half gsi with fixed bugs is coming soon !!

I'm looking for users with ultra and plus variants , with last oreo installed . I do half gsi for plus and ultra variant .

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XDA:DevDB Information

HALF-GSI (8.1/9.0) XA1 all without plus/ultra, ROM for the Sony Xperia XA1

Contributors

MAREK10747, MAREK10747

ROM OS Version: 9.x Pie

ROM Kernel: Linux 4.x

ROM Firmware Required: Installed last stock rom .73

Version Information

Status: Stable

Current Stable Version: R9

Stable Release Date: 2019-04-09

EDIT: If you want to clean up your Xperia with or without install Half GSI you can use now my script removeing trashes . This script I make some time ago for quick make Half GSI from any device with android 6.0+ . This script working too on pie or android Q !! . If you want to know more , what this script remove , you can download zip file and edit updater script in last folder in meta inf . This script you install via recovery , script working on xperia and other devices correct . Click here for download .

If you like my work press thanks or donate me ;)

LAST UPDATE FOR XA1 :

Published 19/may/2019

DOWNLOAD:

DEODEXED

ODEXED

UPDATED BOOT AND RECOVERY TO LAST BUSYBOX 1.30.1 IS READY TO DOWNLOAD. FLASHING ONLY VIA FASTBOOT .

DOWNLOAD HERE

This rom have all my updates to this moment:

-Fixed system bug's

-Fixed kernel bug's

-Updated recovery to last recovery - This recovery have support for treble with low editon , next edition for correct working treble soon .

Instalation:

1.Make backup of your system,boot,recovery

2.Insert your sd card/otg device to pc

3.Find folder twrp and open : Sample of folders: J:\TWRP\BACKUPS\YOUR_DEVICE_ID/NEW_FOLDER_WITH_MY_FILES_TO_RESTORE

4.Copy downloaded files to folder (system first and second file , boot , recovery/fotakernel

5.Insert your sd card/otg device to phone

6.Restore system,boot,and recovery/fotakernel

That's all . Now if you restore files wipe cache and dalvik . Don't wipe data , if you wipe data possibly you get bootloop or brick.

Sometimes system have bug with play store . If you have problem with playstore please install via recovery Gapps for 8.0/arm64/pico . After flash zip with gapps all bug's with play store to be fixed .

EDIT: user's say about big screen problem ... I have problem with my screen and I must use extreme density ... Default density for this device is 320 . If you want to back to normal density please change my density in build.prop to default 320 and reboot . That's all , after change and reboot device back to standard density . This not bug , but my own setting for my screen . Sorry for that .

SUPPORT FOR XA1 IS END NOW . MY ROM IS ACTUALLY WITHOUT SUPPORT AND THIS ROM DON'T HAVE CRITICAL BUG'S . NOW I HAVE MEIZU M6T AND I DON'T BACK TO XA1 . THANKS FOR USING MY ROM ON YOUR DEVICE .

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