: Fixes the RMM/KG state lock that prevents custom flashing.
: The U4 firmware includes vital security patch updates (dated around September 2019) that improve device stability and bug fixes. : Fixes the RMM/KG state lock that prevents custom flashing
: Often used as a clean slate for resetting devices after a forgotten Google Account lock. : Fixes the RMM/KG state lock that prevents custom flashing
: Since the device only has 1 GB of RAM , the firmware is optimized as "Go edition" to help the low-end Exynos 7570 processor handle basic tasks without immediate crashes. : Fixes the RMM/KG state lock that prevents custom flashing
: Resolves persistent system app crashes.