Kak napisatj pismo sponsoru obrazec. On this page, you will find the official link to download Huawei Y336-U02 Stock Firmware ROM (flash file) on your Computer. The Firmware comes in a zip.

+ good day everyone I really need your help.please just this once. I'm installing my gf's huawei y336-u02 new firmware from Y336-U02_V100R001C567B108 to Y336-U02_V100R001C567B114. Because her phone got bootlooped. I followed the instructions that comes with the firmware. And then the phone prompt 'Installation update successful' then after that the firmware version remains the old one which is the Y336-U02_V100R001C567B108, and it still stock in huawei logo. Please i'm begging you. Please help.me.

I tried almost its firmwares but still, no luck at all. Sorry for my horrible english.