Originally Posted by Lt.Win
And regarding your previous question of OTA updates, You'll have to flash the stock recovery if you're on CWM or TWRP (Team Win Recovery Project - Many people recommend this one, I use it myself) and you shouldn't have made any changes to the system files of your stock ROM.
You will receive the OTA if you have modified anything in system, you just won't be able to flash it. And you can also flash the OTA with TWRP instead of stock recovery. Root does not matter, although it will be lost after you update. Before updating, also make sure you're not using a custom kernel. Kernel: The "thing" that android runs on. It's the heart of the OS, you could say. No kernel, no boot.
So let me make sure I'm following this..(sorry, I'm sure you saw such questions countless times before)
CWM (or TWRP) is a custom recovery instead of the stock 'recovery' option that's found in the bootloader. If I choose to go with either CWM or TWRP, how much of an issue is it to flash back to stock recovery? would it be done through ADB the same way the custom recovery was flashed in the first place?
As I understand.. the first thing I should do after unlocking the bootloader (already done) and flashing a custom recovery (not done yet) is to create a backup through the custom recovery. Does that back up the radios as well? If I decide to flash the all in one LTE zip and it doesn't work or what not.. will using that recovery flash back the old radios?
Now to the actual rooting..
so flashing super su is what actually does the root? How would I go about returning to complete stock if I ever need to? (stock recovery, remove root, lock bootloader)
When flashing a different ROM, how come I need to make a backup of my apps? what if I want to start completely fresh? Would I not be able to go to the playstore after flashing a custom rom and downloading everything I need? or there is not going to be a play store after flashing? (that's why GAPPS are needed?)