Should I upgrade the custom rom I use? - Xiaomi Redmi 4X Questions & Answers

It might be a weird question, but do you upgrade your custom rom? Or do you always upgrade to the newest build available for the custom rom you use?
If the answer is yes can you please tell me why and how (clean flash or dirty flash).
If no can you tell me why?
Currently I'm using Los 16 (april 22) and I'm confused whether I should upgrade to the newest build or not.
So should I clean flash to the newest build or not?
The main reason I'm hesistant to clean flash the newest build is because of the safetynet. I pass the safetynet with the current build (22 april build and picoopengapps, no root or anything).

Well this is going to vary person to person. in my opinion main reasons for upgrading/updating are latest security patch,bug fixes,stability,optimization,device side improvements,new features and os upgrade if available.
Not upgrading would be the current ROM is working good as expected and it is fulfilling the all requirements needed buy user.
I do update ROM whenever there is new update available(i don't use any nightly build ROM). but for now i am on Havoc OS 2.9 23/12/2019 build with 5th september 2019 security patch.
I don't use any banking apps so it does not matters me to update the ROM.
The main reason i am not using Havoc OS latest build is i need to have edge gesture control and pie control due to my device's 30% of screen area including capacitive buttons are not working and this helps to continue using rom without changing display as i don't want to spend money on my phone and waiting for some good mid range phone with super amoled display.
If my device's screen would have been working fine then i would have been using latest rom.
Clean flash and dirty flash depends upon if maintainer instruct to do so if not then you can dirty flash rom considering there is no os upgrades. e.g. you cant dirty flash android 10 rom and android 9. other than it is pretty much fine to dirty flash rom with doing necessary backups.
If LOS 16 working fine for you and there is no anything major new or the rom is stable well optimized then i don't think so there is need of upgrade.
If you are concerned about latest security patch then there is no option than upgrading rom.
You should first check if safetynet is pass or not on latest builds, discuss this with other users on respected rom thread, youtube video reviews or groups.

I've used Pixel Experience 9 from June 2019 and never upgrade until now because it already answers my need for daily use.

Related

[Searching...] Custom-ROM with OTA updates and without Android Andoid Auto issues

Hi,
I am looking for a custom ROM for my father's Huawei P8 Lite 2017. It has to have OTA Updates and it must not have the well known Huawei-Android-Auto-Issues. Because it is for my father, it should run "out-of-the-box" with the mostly used functions (like camera, google apps etc.). I am going to be the one, who installs the ROM, but he will use it.
I was looking to LineageOS / CyanogenMOD, but nobody writes about the Android-Auto-Issues. These issues are the main reason for the wanted change from stock to custom ROM.
Which one can you recommend?
Greetings from Germany.
There are no official roms for this phone and no ota updates either. As far as I can tell development on nougat roms has stopped or slowed down significantly and I wouldn't expect any more updates. Oreo on the other hand is still in beta and roms are still in early builds so quite a few issues/stuff not working is to be expected. I would suggest flashing lineage 14.1, everything is working and it's been recently updated with april security patch but no more updates are coming.
Edit: CrDroid is official with ota updates
As far as OTA Updates, you have CrDroid, this has just been updated as an official ROM on CrDroid site, you just need to be on EMUI 8 in order to install that ROM
Although, I have no idea if it has any issues with Android Auto, but considering that its a Treble ROM, it might not have

Updating worth it? (October patch -> Pie)

Hey, recently bought a new device which had firmware with october Security patch and got unlocked and Android Pixel experience flashed. Is there any profit if i update the device to official pie and go for custom roms again afterwards? (Like having updated vendor?)
Coming from S8 where no treble exists.
Well.. I've updated to Pie and except for that freeze issue that was also present in 8.1, I have no other complains. It does run well, battery life is the same.
I intend to move to custom ROM soon to fix that freeze issue which is only present in devices with Micron memory (the others with Samsung memory are fine).
So yeah, I say it does worth to move to custom Pie ROM. Kernels are usually better than stock. And this was proven when they didn't fix the freeze issue in official kernel.

Android One Or Costom Rom?

hey guys at present I'm using my a2 On Official Android One Rom With Bootloader unlock (camera2api) Enabled. Some Users Say that Android one rom is laggy And lot's of bugs. So I want You To suggest Me What Should I Do? Install A Costom rom On my device like (Pe or something else) Or Stay With Android One?
I recommend Pixel Experience CAF version. I'm currently using that since I got fed up with Android One updates. I have been on custom ROMs for quite some time actually. CAF version supports OTA so you don't have to flash it again with every update, camera2api is already enabled and there is a MIUI camera included, but you'll have to find a working GCam yourself though. I haven't actually experienced any bugs for now but people say there are few and those will be fixed in the next update.
Edit: Just to add a few reasons why I am against Android One since you wrote that some users reported issues with stock but not you yourself.
It all started with the September update(if I recall correctly, or maybe even earlier). The bug present in that update made the faster CPU cores lock up at maximum frequency if the fingerprint sensor is used which drained battery really quickly. It took them like 1-2 months to fix that one. Then came Pie update, a lot of stuff stopped working. The storage for some reason got really slow and clearing large app cache(especially Chrome cache) would freeze the device or even make it reboot. This is the issue they STILL haven't fixed.
With January 2019 update a lot of devices went into bootlops and got bricked. February update changed contrast of the display and made everything really bright, definitely brighter than it should have been. Now they fixed that issue in March update BUT the update bootloped/bricked some more devices again so they pulled it. Their updates have really become a joke, which is why I'm all for custom ROMs. Definitely more stable than stock.
Brothr can u share the link to the post or step by step process for installing custom pe rom ?
Sid.Boi said:
Brothr can u share the link to the post or step by step process for installing custom pe rom
Click to expand...
Click to collapse
https://forum.xda-developers.com/mi-a2/how-to/guide-how-to-flash-custom-roms-stuff-t3876375
If you are flashing Pixel Experience you don't need to flash GApps, the rest is the same from the guide.
Thnq brthr :good:
I thinking same idea for months, but i have problem that i follow countless guides from forum here but i fail every to get PE CAF or Havoc rom to mine A2. I have every time black screen problem on instaling TWRP i couple times flash 10.0.2 version via mi flash tool, lock and unlock bootloader etc.. currenty i am on stock 10.0.7 with open bootloader because of camera2api, but i wanna clear phone from all the mess wanna clear both slots and finally instal succesfuly PE CAF version. Can someone provide some guide how to do it?

Which is most Stable and Secure ROM ?

Hi Guys,
I am currently on official ROM on my Redmi 4X. I want to install custom ROM. I want stability and security
Could someone please suggest the best ROM I should opt for ?
Android 9 based ROMs are more stable than Android 10 but that doesn't meant Android 10 ROMs are not much stable but Android 9 may not have latest security patch. it depends upon your need.
I would suggest you for Havoc OS both based on Android 9 and Android 10.
Just last month Redmi 4X got 4.9 kernel and many Android 10 ROMs started supporting it which is great. in my opinion you should give it a try on latest Havoc OS.
If you want a custom roms for a daily use then Lineage os 16 is the answer. Yes Los dosnt have any "awesome" extra feature but it is very stable and secure. Another good rom for daily use is Pixel Experience.
The two rom I mention may not offer crazy customization, awesome "extra features" or the most up to date kernel (4.9) but for daily usage they are the best imo.
I use Los 16 with no root (22 april build), its clean, light and quick. Most importantly I'm lucky enough to pass the safetynet with it so I can use my device for banking, pokemon go, netlflix, snapchat and many others.
Edit:
FYI if you want to use a custom rom you must prepare yourself to not be able to use banking app. Even if you dont root your device you may not be able to pass the safetynet on a custom rom. Safetynet is what google use to check wheter your device is "safe" or not. Of course you can find a some workaround to "bypass" the safetynet but I wouldn't recommend you to do it because it may pose a security concern.
art_17 said:
If you want a custom roms for a daily use then Lineage os 16 is the answer. Yes Los dosnt have any "awesome" extra feature but it is very stable and secure. Another good rom for daily use is Pixel Experience.
The two rom I mention may not offer crazy customization, awesome "extra features" or the most up to date kernel (4.9) but for daily usage they are the best imo.
I use Los 16 with no root (22 april build), its clean, light and quick. Most importantly I'm lucky enough to pass the safetynet with it so I can use my device for banking, pokemon go, netlflix, snapchat and many others.
Edit:
FYI if you want to use a custom rom you must prepare yourself to not be able to use banking app. Even if you dont root your device you may not be able to pass the safetynet on a custom rom. Safetynet is what google use to check wheter your device is "safe" or not. Of course you can find a some workaround to "bypass" the safetynet but I wouldn't recommend you to do it because it may pose a security concern.
Click to expand...
Click to collapse
Really appreciate your suggestion.
I also narrowed down to Linage OS 16 and pixel experience ROM. I have some follow up question:-
1- You mean other custom ROMs may not be able to pass the safety net. But linage OS 16 able to pass safety net, right?
2- I saw official page but not thread on XDA for official linage OS 16? You directly refereed to official page?
3- Have you tried latest (10th June) build of Linage 10 OS?
3- I want Android pie based Pixel experience ROM which I suppose is more stable then Android 10 based. But on official page it have only android 10 based download link. Could you pls share the download link for android pie based ROM ?
metelhammer said:
Android 9 based ROMs are more stable than Android 10 but that doesn't meant Android 10 ROMs are not much stable but Android 9 may not have latest security patch. it depends upon your need.
I would suggest you for Havoc OS both based on Android 9 and Android 10.
Just last month Redmi 4X got 4.9 kernel and many Android 10 ROMs started supporting it which is great. in my opinion you should give it a try on latest Havoc OS.
Click to expand...
Click to collapse
Thanks for suggestion !
What about the Finger print error people are talking about in every android 10 based ROM, is there any solution?
Can you please give me any more details /reference link about 4.9 kernel?
abhishekarora said:
Really appreciate your suggestion.
I also narrowed down to Linage OS 16. I have two follow up question:-
1- You mean other custom ROMs may not be able to pass the safety net. But linage OS 16 able to pass safety net, right?
2- I saw official page but not thread on XDA for official linage OS? You directly refereed to official page?
Click to expand...
Click to collapse
1. No, most rom "should" be able to pass the safetynet if you don't root it. But.. it doesnt mean 100% you can pass. Even if you use the same rom as me it doesn't mean you'll pass. In the end it all boils down to "how and what u use" to flash the rom and luck. Im speaking from personal experience. Not long ago in another device, I changed to a custom rom and I cant pass the safetynet even tho I dont root it.
Fyi I just changed to Pixel Experience plus in my redmi 4x and I'm still able to pass the safetynet. It's luck really.
2. https://forum.xda-developers.com/xi...t/rom-2017-08-07lineage-14-1-t3653016/page262
This is the official page for Lineage OS, the title of the thread isnt updated yet but it is the official thread for Los 16.
art_17 said:
1. No, most rom "should" be able to pass the safetynet if you don't root it. But.. it doesnt mean 100% you can pass. Even if you use the same rom as me it doesn't mean you'll pass. In the end it all boils down to "how and what u use" to flash the rom and luck. Im speaking from personal experience. Not long ago in another device, I changed to a custom rom and I cant pass the safetynet even tho I dont root it.
Fyi I just changed to Pixel Experience plus in my redmi 4x and I'm still able to pass the safetynet. It's luck really.
2. https://forum.xda-developers.com/xi...t/rom-2017-08-07lineage-14-1-t3653016/page262
This is the official page for Lineage OS, the title of the thread isnt updated yet but it is the official thread for Los 16.
Click to expand...
Click to collapse
Which version of pixel Experience plus you have? have fingerprint issue or any other issue?
I want Android pie based Pixel experience ROM which I suppose is more stable then Android 10 based. But on official page it have only android 10 based download link. Could you pls share the download link for android pie based ROM ?
abhishekarora said:
Which version of pixel Experience plus you have? have fingerprint issue or any other issue?
I want Android pie based Pixel experience ROM which I suppose is more stable then Android 10 based. But on official page it have only android 10 based download link. Could you pls share the download link for android pie based ROM ?
Click to expand...
Click to collapse
Sorry I didnt see question 3 n 4...
3. Yes I tried the 10th june build of Los 16 before switching to pe plus (android 10). The 10th june build as far as I'm aware of is almost the same with the 22th april build. It just have the newest security update and under the hood improvements.
I have 2/16 redmi 4x with goodix fingerprints. I dont have any fingerprints issue with the newest official pixel experience plus. I have tried other android 10 custom roms briefly and I dont see any issue with fingerprints. Ironically when I installed Los 16 (22 april build) my finger print dont work, I restored my persist backup to fix it. No matter what dont forget to back up everything.
I dont have official pixel experience pie. But I do have an unofficial pixel experience plus pie(android 9), I have not tried this rom yet but If you want I can share it.
abhishekarora said:
Thanks for suggestion !
What about the Finger print error people are talking about in every android 10 based ROM, is there any solution?
Can you please give me any more details /reference link about 4.9 kernel?
Click to expand...
Click to collapse
There were issue with Goodix fingerprint sensor but as far as i remember it's been solved. my device has FPC fingerprint sensor so had no such issues.
I haven't seen anyone complaining about fingerprint sensor in recent few weeks so i can say it is working fine.
If there is any ROM specific issue with fingerprint that someone talking then i don't know because currently i am on Havoc 2.9 and since last week i haven't checked respected ROMs threads and its discussions as i was busy.
4.9 Kernel been added to Redmi 4X which is greatest thing ever could have happened with device, actually i wasn't expecting it as Redmi 4X is almost a 3 years old device.
4.9 kernel improves overall performance of device and basically you can expect even longer support for Redmi 4X in the future.
here is link, learn more here -> https://news.softpedia.com/news/linux-kernel-3-18-reaches-end-of-life-users-urged-to-move-to-linux-4-9-or-4-4-512755.shtml
art_17 said:
Sorry I didnt see question 3 n 4...
3. Yes I tried the 10th june build of Los 16 before switching to pe plus (android 10). The 10th june build as far as I'm aware of is almost the same with the 22th april build. It just have the newest security update and under the hood improvements.
I have 2/16 redmi 4x with goodix fingerprints. I dont have any fingerprints issue with the newest official pixel experience plus. I have tried other android 10 custom roms briefly and I dont see any issue with fingerprints. Ironically when I installed Los 16 (22 april build) my finger print dont work, I restored my persist backup to fix it. No matter what dont forget to back up everything.
I dont have official pixel experience pie. But I do have an unofficial pixel experience plus pie(android 9), I have not tried this rom yet but If you want I can share it.
Click to expand...
Click to collapse
Thanks for answering all the question !
I prefer the official one.
How is the battery back up and overall experience on newest official pixel experience plus?
metelhammer said:
There were issue with Goodix fingerprint sensor but as far as i remember it's been solved. my device has FPC fingerprint sensor so had no such issues.
I haven't seen anyone complaining about fingerprint sensor in recent few weeks so i can say it is working fine.
If there is any ROM specific issue with fingerprint that someone talking then i don't know because currently i am on Havoc 2.9 and since last week i haven't checked respected ROMs threads and its discussions as i was busy.
4.9 Kernel been added to Redmi 4X which is greatest thing ever could have happened with device, actually i wasn't expecting it as Redmi 4X is almost a 3 years old device.
4.9 kernel improves overall performance of device and basically you can expect even longer support for Redmi 4X in the future.
here is link, learn more here -> https://news.softpedia.com/news/linux-kernel-3-18-reaches-end-of-life-users-urged-to-move-to-linux-4-9-or-4-4-512755.shtml
Click to expand...
Click to collapse
Thanks man !
abhishekarora said:
Thanks for answering all the question !
I prefer the official one.
How is the battery back up and overall experience on newest official pixel experience plus?
Click to expand...
Click to collapse
After trying PE for a few days here is what I have to say about it
Pros:
- as expected, it has more features than Los
- google assistant is quite usable
- surprisingly I don't see much difference in battery life compared to lineage os.
- overall it's pretty good and stable ROM
Cons:
- now I'm using havoc os because it can't read my third Sim card(it can read my other two just fine)
- Small font, the biggest font size it has is still smaller than the default font size in LOS. This issue affects me pretty heavily because I do hours of reading in my phone. In Los I can read for whole days without problems. But in PE after only reading for few hours I'm already at my limit.
Summary: PE is pretty good. But unfortunately it can't read one of my sim.
Additional info:
Using Lineage is will encrypt your phone, if you have decrypted your device, flashing Los will automatically encrypt it. Some twrp or other custom recovery can't read encrypted phone.
I use this lovely unofficial twrp by pranaya 2005, the maintainer of Pixel Experience for santoni. MOD EDIT: Telegram link removed, please read the STICKY!
If you have encrypted device, your phone will ask for password. Most android 9 Roms don't ask for password. Most android 10 Roms (pixel experience, havoc) ask.
To fix this issue just go to twrp -> wipe-> format data.
It'll decrypt your device but remember to backup everything cause it'll wipe all data on your device.
art_17 said:
After trying PE for a few days here is what I have to say about it
Pros:
- as expected, it has more features than Los
- google assistant is quite usable
- surprisingly I don't see much difference in battery life compared to lineage os.
- overall it's pretty good and stable ROM
Cons:
- now I'm using havoc os because it can't read my third Sim card(it can read my other two just fine)
- Small font, the biggest font size it has is still smaller than the default font size in LOS. This issue affects me pretty heavily because I do hours of reading in my phone. In Los I can read for whole days without problems. But in PE after only reading for few hours I'm already at my limit.
Summary: PE is pretty good. But unfortunately it can't read one of my sim.
Additional info:
Using Lineage is will encrypt your phone, if you have decrypted your device, flashing Los will automatically encrypt it. Some twrp or other custom recovery can't read encrypted phone.
I use this lovely unofficial twrp by pranaya 2005, the maintainer of Pixel Experience for santoni. MOD EDIT: Telegram link removed, please read the STICKY!
If you have encrypted device, your phone will ask for password. Most android 9 Roms don't ask for password. Most android 10 Roms (pixel experience, havoc) ask.
To fix this issue just go to twrp -> wipe-> format data.
It'll decrypt your device but remember to backup everything cause it'll wipe all data on your device.
Click to expand...
Click to collapse
Hi,
I finally decided to go with official lineage OS 16.1. Can you pls check me steps? Because, I am hearing lot about persist backups? fingerprint issue etc.
How to take persist backup?
Should I also take ROM backup using TWRP?
1- Unlock boot loader using official Mi software.
2- Flash recovery to TWRP
3- Wipe everything
4- Install ROM
5- Install Gapps
abhishekarora said:
Hi,
I finally decided to go with official lineage OS 16.1. Can you pls check me steps? Because, I am hearing lot about persist backups? fingerprint issue etc.
How to take persist backup?
Should I also take ROM backup using TWRP?
1- Unlock boot loader using official Mi software.
2- Flash recovery to TWRP
3- Wipe everything
4- Install ROM
5- Install Gapps
Click to expand...
Click to collapse
Yup...
0. Pick a day where you're absolutely sure you wont need to use your device for a whole day.
1. Unlock bootloader (I unlock my device unofficially cuz I hate waiting period. But I still recommend you to do it the official way).
2. Flash twrp (or any other custom recovery you like)
4. Back up everything via custom recovery. It may take up to 11 gb of storage so make sure you have more than enough free storage in your external sd card. If you dont have enough storage just backup everything except system partition which take a LOT of storage.
5.PRAY TO GOD
5.1. Use lucky charm(s)
5.2. - 5.9. Do everything you think may help with ur luck
6. Wipe Everything
7. Flash rom & gapps(if it isnt included in rom).
9. Reboot.
10. Enjoy... or not.
Note:
- it is what it is. Do it at your own risk.
- if ur fingerprint dont work and nothing happens even tho youve restored your persist back up. Go to thread about Los 16 fingerprind doesnt work created by me, there I gave link to a solution that works for my device.
- If 30-60 minute passes n ur phone hasnt boot then your phone maybe stuck in a bootloop. Go to twrp and reflash or try another rom. For me it usually takes less than 10 minutes to boot.
- if ur phone suddenly dies n you cant boot, fastboot or go to recovery. First, calm down. Take the back of the phone off carefully (you dont want to accidentally tore the fingerprint cable off). Try disconnect your battery from the phone n reconnect it. Then try go to fastboot or recovery.
- if reconnecting the battery dont work use edl mode (just search for edl mode redmi 4x for a guide).
- If edl mode dont work go to phone service. If they cant fix it just buy a new phone.
art_17 said:
After trying PE for a few days here is what I have to say about it
Additional info:
Using Lineage is will encrypt your phone, if you have decrypted your device, flashing Los will automatically encrypt it. Some twrp or other custom recovery can't read encrypted phone.
I use this lovely unofficial twrp by pranaya 2005, the maintainer of Pixel Experience for santoni. MOD EDIT: Telegram link removed, please read the STICKY!
If you have encrypted device, your phone will ask for password. Most android 9 Roms don't ask for password. Most android 10 Roms (pixel experience, havoc) ask.
To fix this issue just go to twrp -> wipe-> format data.
It'll decrypt your device but remember to backup everything cause it'll wipe all data on your device.
Click to expand...
Click to collapse
Hi, sorry to bother you. Do you think you can upload the recovery you mentioned? Looks like the original link has died.
abhishekarora said:
Hi Guys,
I am currently on official ROM on my Redmi 4X. I want to install custom ROM. I want stability and security
Could someone please suggest the best ROM I should opt for ?
Click to expand...
Click to collapse
Don't do bro....Just stick on official rom... Otherwise you will.regret yourself later
LonerDarke said:
Hi, sorry to bother you. Do you think you can upload the recovery you mentioned? Looks like the original link has died.
Click to expand...
Click to collapse
Sure...
TWRP unofficial by pranaya 2005 https://mega.nz/file/PhJAhahC#tRILgEtwDor6X_nwt1-O8v9kxcYGJ1jZJHCOrN7WZ7M
which havoc os version you are using on redmi 4 ?
I Am facing lot of problems with custom Rom such as usb not connecting to pc,middle touch not functioning , calls not working . I've done factory reset my device and everything working fine except phone not connecting to pc.
I don't know how i am possibly going to unlock bootloader it it's not going to connect pc.
i've updated pc driver and work through all solution, i think the problem is with miui stock rom 11 update as the same issue is posted on other threads.
I'm afraid I will also need to switch to a Custom ROM sooner or later, although my experience with santoni Custom ROMs was not too good. There was always something broken - be it Deep Sleep, GPS fix or fingerprint sensor.
At the moment I am trying to decide between
Resurrection Remix 8.6.x (Android 10)
Havoc OS 3.8 (Android 10)
AICP 15.0 (Android 10) - although an older version ~1 yr ago did not work too well
LineageOS 16.0 (Android 9)
and don't know what to choose. Stability and battery runtime are most important, I also need some basic customization, but no senseless bulls**t like animated unicorns running over the screen or things like that.
Which of the beforementioned work(s) well?
If someone still reads this...
I've tried RR and Havoc. I liked both and did not find any major bugs during my short tests, but the fact that full device encryption did not work is a big no-go.
Now I'm on LineageOS 16.0 official (with older Android 9) and despite the fact that there could be some more features and customization possibilities I am very satisfied with stability and performance. Encryption worked when formatting userdata with OrangeFox-R11.0_0-Stable-santoni and afterwards using OrangeFox-R10.0_3-Stable-santoni.

Need Help for Android 11 ROMs for RedMagic 3S Global

I have Redmagic 3s (Bought 2019 - India). Phone works just fine and no issues with it. Currently on Build NX629J_V1S_ENCommon_V.217. Android 9.
Nubia has been providing Google Security Patches with latest one begin August 2021.
I used to do lots of custom roms etc many year back. Now lost the touch, but know the basics.
I am looking to refresh my RM3s to Latest Android Version (11 or 12 and even 13 will also do ).
Based on my research on this forum, It looks like that we need to first flash Chinese Stable ROM, then flash recovery and then followed by Other Custom ROMs. Is this correct?
Is there a way to directly Flash a recovery without need for flashing Chinese ROMs? Also which Custom ROM would you suggest? I am looking for completely Stock android.
I am more confused than before on flashing the ROMs. Help is much appreciated.
mominriaz said:
I have Redmagic 3s (Bought 2019 - India). Phone works just fine and no issues with it. Currently on Build NX629J_V1S_ENCommon_V.217. Android 9.
Nubia has been providing Google Security Patches with latest one begin August 2021.
I used to do lots of custom roms etc many year back. Now lost the touch, but know the basics.
I am looking to refresh my RM3s to Latest Android Version (11 or 12 and even 13 will also do ).
Based on my research on this forum, It looks like that we need to first flash Chinese Stable ROM, then flash recovery and then followed by Other Custom ROMs. Is this correct?
Is there a way to directly Flash a recovery without need for flashing Chinese ROMs? Also which Custom ROM would you suggest? I am looking for completely Stock android.
I am more confused than before on flashing the ROMs. Help is much appreciated.
Click to expand...
Click to collapse
Rom china can install twrp and root with easy. Rom global cannot use twrp

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