Huawei has released new firmware upgrade for Y635-L21, which doesn’t include EMUI upgrade. Only few performance tweaks has been made in this new update.

Huawei Y635-L21 update B150 Firmware

• Download Link : V100R001C185B150CUSTC185D003
• File Size : 1.16 GB
• Supported Countries :  Middle East/Africa Only

Installation Guide

1. Battery at least 50% charged
2. It will not delete data but just for safe side backup all important data
3. Create dload folder on root directory of your internal or external storage (SD Card )
4. Extract downloaded firmware and copy update.app file in dload folder you have created on storage.
5. If you have copied update file on internal storage use force update method (Switch off phone, then volume up , volume down & power press and hold them until you see update screen)
6. If you are using sd card Go in settings >Update>Menu>Local update, select the update.app and update should start.