Download BLB Stock ROM

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On this page, we have managed to share the BLB Stock ROM Firmware (Flash File) for all BLB smartphones and tablets.

All the following BLB Stock ROM (zip file) contains the original BLB USB Driver, Flash Tool, and the Firmware File. After Downloading the firmware, follow the instruction manual shipped with the firmware to flash or install firmware on mobile.

BLB Stock ROM Firmware

Whats BLB Stock ROM and its Advantage

The Stock ROM (Mobile OS) is the Most Stable ROM released by the device manufacturers depending on the device model and Android version. However, the Stock ROM don’t offer many customizations or features for the device.

While in general third-party firmware (Custom ROM) has system bugs and stability issues. In this case, you may experience battery issues, network issues, camera issues, missing features, lags, overheating, slow performance, and many more. But whenever you switch to Stock ROM, you can quickly fix them all.

Advantages of BLB Stock ROM

  • Unbrick the device.
  • Upgrade or downgrade Mobile OS.
  • Fix OTA update issue.
  • Fix a problem with the device startup loop.
  • Fix bugs on your phone.
  • Fix Lag or Stuttering on the device.
  • Fix battery drain issue.
  • Software performance improvement.
  • Returning a stock ROM entitles the warranty on the phone.

Download BLB Stock Firmware

Model Name Download
BLB D03 Firmware
BLB D06 Firmware
BLB E3 Firmware
BLB G3T Firmware
BLB G3z Firmware
BLB G4 Firmware
BLB Gx Firmware
BLB L5 Firmware
BLB S6 Firmware
BLB Z2 Firmware
BLB Z4 Firmware
BLB Z5 Firmware


[*] After flashing (installing) the BLB Stock ROM on your device, you may need to flash (install) the IMEI using the IMEI tool provided with the firmware file. If you are going to flash the IMEI, then flash the Original IMEI that comes with your device.

[*] BLB USB Driver: If you are looking for the original USB Driver, then head over to the BLB USB Driver page.

[*] Request Firmware: If you are looking for any specific firmware that is not listed above, you can request it through the comment box below (do not request firmware through the contact page, or else it will be ignored).

[*] Credits / Copyright: All of the above files are free provided by BLB, Inc. So full credit goes to them for sharing the firmware for free.