hellfire88
Diamond Member
- Nov 29, 2003
- 7,797
- 3
- 81
It's basically like making an image of a computer, so when you flash it back, you're right back to where it was when you took the backup. CWM takes a total backup including the cache, but other recoveries like TWRP let you not include the cache. Doesn't really matter, it just rebuilds.
Note that the LTE/CDMA radios are not part of the nandroid backup process, or even part of flashing most roms. So any radios you flashed before carry over, and are not touched when you flash a rom. If you want the newest radios you need to flash them.
Great thanks! Guess I'll be messing around with some Jelly Bean ROMs this weekend when i can afford to have a non-working phone (can't risk it during weekdays. I want to test out Google Now to see how it compares with Siri on my wife's iPhone 4s. Maybe I can convince her to switch.