Download ZTE Blade A510 official firmware from the link here, and follow the provided flashing instructions to learn how to flash the stock rom.
If you notice that any of the links provided below is broken or doesn’t work, please post in comments section so we fix and update it ASAP.
Download Options
File Name: 20170613173924867.zip
Size: 980 MB
Build: 333300B1270RU_BLADE_A510V1.0.0B05
Region: Ukraine
Firmware – Download
File Name: 20160922164125485.zip
Size: 1.49 GB
Build: 317570B1228CHL_TL_BLADE_A510V1.0.0B12
Region: Thailand
Firmware – Download
File Name: 20170516110531483.zip
Size: 1.09 GB
Build: 325390B0474MY_CHA_BLADE_A510V1.0.0B02
Region: Malaysia
Firmware – Download
File Name: 20170511180010819.zip
Size: 1.15 GB
Build: 325720B0435MY_DIGI_BLADE_A510V1.0.0B04
Region: Malaysia
Firmware – Download
File Name: 20170616151530422.zip
Size: 1.28 GB
Build: 322310B0953EU_BLADE_A510V1.0.0B03
Region: Spain
Firmware – Download
File Name: update.zip
Size: 917B
Build: BLADE_BA510V1.0.0B03 (for BA510 only)
Firmware – Download
How to flash
Click here to view complete flashing instructions for any of the above firmware packages. If you have any issue with flashing, post in comments section below for assistance.