Actually no, you do not need to unlock the bootloader, my sola has numerous roms on it, with a locked bootloader.
My motorola had a recovery also with a locked bootloader.
The only time unlocking the bootloader helps is,
A: CPU / GPU tweaks
B: (this should be A) Cyanogen roms
C: other start up tweaks that doesn't require you to run scripts on startup.
So it is (not) really needed to have an unlocked bootloader.
Originally Posted by Fakirr1
First of all: Pardon me for my bad english.
My phone is Hungarian T-mobile locked.It did the same.But after root, I was able to go to Stock 3E recovery.
To get cwm and/or twrp, we need to open the bootloader. In "normal" way with adb, I can't open it. Even with G2-s update.zip.
If any dev can find a way to open the bootloader,then it's much easier to make a custom rom and the cwm.
Current System: GigaByte [LG G2 Mini D620]
Prev Device: MT27i
Unofficial CyanogenMod 11.0 by freack
Prev Device: MB511 (deodexed)
Long Live: V9 Ferrari Rom
(never forget to say Thank You to the ones that help)