Database Develop

[Q] Stable 5.1 ROM

I am currently running CM11-2014112 on my M7. To do this I unlocked bootloader with FastADP, flashed TWRP, flashed the ROM, flashed GAPPS and loaded SuperUserSU.
I have TitaniumBackup free version for the apps and TWRP for flashing.
I am confused about upgrading to a 5.1 ROM. I am only interested in stable versions. Is there a significant difference from 5.0?
Thusfar I have only found these that claim to be stable:
XenonHD
Skydragon (Beta?)
Viper One
Do I need to be S-Off for any of these ROMs?
Do I need to update firmware before flashing a Lollipop ROM?
Do I need to change/update the radio?
Does anyone have a suggestion for a ROM?

(Help) app locking

I have used protected apps feature in cm 13 .... I wanna know if I could get it in my stock marshmallow ...
I use spice Android one device...
Also I am not able to install 6.0.1 ota...
Suggest me a way to get fully on stock with 6.0.1 update

Flash 6.0 official ROM.
Link:
http://forum.xda-developers.com/cro...-general/ota-android-one-marshmallow-t3225311

Kitkat based rom ?

I am on n910t 5.1.1 stock firmware Dok2 bootloader/baseband and i want to go back to kitkat but i know its almost impossible since tmobile locked bootloader after upgrade to lollipop but is it possible to flash any kitkat rom while i am on lollipop because i miss kitkat and its speed and awesome battery life.please help me if its possible to flash kitkat rom on lollipop bootloader/baseband.

How to go back to marshmallow from nougat ?

I am currently on android 7 of Miui and i don't really think that it is providing me sufficient battery backup. I really want to go back to android 6. Is there any way ?
I might also root my device.I am also looking for flashing a custom rom like lineage or ressurection remix mayb. Will i then be able to revert to official marshmallow or nougat ?
Just curious to know that will flashing the official Rom reset my device to the original state i bought it and the procedure to do it !

Flash a marshmallow rom

stock rom

can i flash stock rom even i am using lineage os? im using c6603 what is the stock rom version i can have?

Colossus23 said:
can i flash stock rom even i am using lineage os? im using c6603 what is the stock rom version i can have?
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you can flash stock roms using flashtools without any problem .the version of the rom varies and depend on version of android you desire .
if you want kitkat (android version : 4.4.4) then you should flash 10.5.1.A.0.283
if you want lolipop (android version : 5.1.1),you should flash 10.7.A.0.228