IMEI loss is rare with SD card flash. If it happens, use Maui Meta or SN Writer Tool on PC (requires root or engineer firmware).
No. It restores stock firmware but does not re-lock an unlocked bootloader. However, FRP will be reset. huawei cun-l21 flash file sd card
The Huawei CUN-L21 is a budget-friendly smartphone released in 2016 as part of the Y Series. It operates on a MediaTek MT6735M chipset. This device is popular in emerging markets but is notorious for software corruption due to low internal memory and third-party app conflicts. IMEI loss is rare with SD card flash
In this comprehensive guide, we will walk you through everything you need to know about flashing your Huawei CUN-L21 (also known as the Huawei Y3II or Y6 Pro) using only an SD card—no USB cable or computer-based flash tools like SP Flash Tool required. It restores stock firmware but does not re-lock