Questions about kernel, custom rom and flashing/Ota updating. - General Questions and Answers

I have an OnePlus5 with latest Oxygen Os android 7.1.1, rooted with magisk and with TWRP recovery. I flashed yesterday a custom kernel (blu spark), cause i wanted better battery stats. But i dont see any changes. Nor more advanced options, neither visual changes. What does exactly a kernel change to the phone? How does it differ from a custom rom? Do i need extra programs or programming in order to make full use of the kernel?
Now that i have the custom kernel, what actions should i take if :
1) I want install a custom rom
2) I want install stock rom
3) I want install another or stock kernel
When should i take full backup and why? (Nandroid via TWRP or backup with TITANIUM BACKUP??) What about OTA updates? How can i update to newest rom in each case? Each time a new rom update occurs should i take full backup, flash the rom and install them all from the start??

Someone help me please?
Sent from my ONEPLUS A5000 using Tapatalk

Related

how to install cleanrom, back up data/apps and maintain root

Hello all, am currently on 10.4.4.20 using dlpkgfile, stock rom and I am rooted, unlocked too. But I just installed twrp.
1. I want to install "cleanrom 2.4 custom rom,
2. maintain root and back up my current files/apps,
3. install a custom kernel, please what's the procedure for all. Thank in advance
All these steps can be done in TWRP:
1. do your backup
2. flash CleanROM - it's prerooted, so no need to "maintain" root, you will just get it back
3. flash the custom kernel of your choice.

Unable to get OTA Updates installed on TWRP - Need to go back to stock recovery

Hi All,
Background:
Installed TWRP recovery to downgrade to KitKat from Android ver 5.0.2 / COS 12.0 YNg1TAS17L
( I guess the changes in lollipop made me to do so).
But after installing TWRP, for some reason or other I did nothing and now the issue is the OTA are not getting installed. From other similar thread I know that we can download the OTA zip and install through TWRP and I am not looking to get into that...as I am giving this device to my family.
Help Required:
1) Is there a way to uninstall TWRP and go back to stock recovery without losing any data?
( Is it as simple as flashing recovery image from the Stock ROM?)
2) Using the OnePlus tool kit can we flash the stock ROM which will also restore the stock recovery?
(If so is it possible to flash the latest ROM 5.1.1 or CM12.1)
I just need guidance here with steps on what will be the best and safe approach without frying up my device.
Please suggest
droidfry said:
Hi All,
Background:
Installed TWRP recovery to downgrade to KitKat from Android ver 5.0.2 / COS 12.0 YNg1TAS17L
( I guess the changes in lollipop made me to do so).
But after installing TWRP, for some reason or other I did nothing and now the issue is the OTA are not getting installed. From other similar thread I know that we can download the OTA zip and install through TWRP and I am not looking to get into that...as I am giving this device to my family.
Help Required:
1) Is there a way to uninstall TWRP and go back to stock recovery without losing any data?
( Is it as simple as flashing recovery image from the Stock ROM?)
2) Using the OnePlus tool kit can we flash the stock ROM which will also restore the stock recovery?
(If so is it possible to flash the latest ROM 5.1.1 or CM12.1)
I just need guidance here with steps on what will be the best and safe approach without frying up my device.
Please suggest
Click to expand...
Click to collapse
Numerous other threads on the same subject... I don't understand why you are not ready to flash the OTA through TWRP but you are through stock recovery... It's the same thing... Don't use toolkit, they are the ones, in 99% of the cases, that "fry" your phone... As soon as TWRP is installed no OTA will automatically, you will have to flash them manually.

Request for Stock Rooted ROM

hello developers ,
is it possible to release a stock rom which is rooted and can be flashed just like any custom rom using twrp or clockwork mod..
so if anyone want to isntall stock rom , then we dont have to go back and flash stock oppo recovery ---> then install stock rom ---> and then root it again..
instead just by flashing the stockrom with root .zip file , using twrp or clockworkmod we can get bacl stock os , just like flashing cyanogen mod rom or mokee rom or aicp rom that we already have.. for my samsung/lg devices there are stock roms which are rooted (with extra features like debloat and deodexed )deodex is difficult so not needed..but atleast we can have a stock rooted rom..
The easy way would be to make factory reset, root the device, install custom recovery, backup the device. Then copy the backup to PC or the external sdcard.
Sent from my R7plusf using XDA-Developers mobile app

Android version

I wanted to know if it is possible to change the version of android
By cyanogenmod or custom rom
If you could, could you give me a tip
How to do or tutorial something that helps?
First what is your device ? I think everybody have to start somewhere, so I have to know what is your device and see what is available for it.
But similar process for most of the cases ; root your device (try one click root like king root app or if it doesn't work try other methods for your device) then flash a custom recovery (TWRP) , into it you would be able to install (flash) custom Roms , and when it's done, just download the custom ROM , the Gapps according to the custom ROM Android version and your device architecture and then boot to recovery, make a Nandroid backup (backup everything in TWRP) then wipe system,data,cache,and delavik cache , flash the ROM, flash the Gapps and reboot.
But all the process (rooting, custom recovery etc) depends of your device
Is the galaxy lite 3 wanted to put the version
4.4.2 or +
Only that it does not exist nowhere, this custom or cyanogenmod
That's why I came here.
Way of having and making one or modifying it

New to flashing custom ROMS

I haven't flashed a custom rom in a long time. I am currently using the stock latest OOS rom with blu TWRP and magisk installed. How can I effectively backup the whole rom, install a custom one for testing and if I don't like it restore the full backup? Any tips? I'm thinking of backup to an otg drive just to make sure I mess up the internal storage.
Thank you.

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