Dexp B21 Flash File Firmware SC7731E 10.0

Download official Firmware/Flash File for Dexp B21:

official stock Firmware/ Flash File Now available for the Dexp B21 & You can download it from below. The firmware come in PAC format which is flashable with spreadtrum upgrade tool or upgrade research/download tool. This firmware will solve all software Issues on your Dexp B21 such as hang on Logo, frp lock, fastboot Mode, display blank or white after flash, dead recovery, dead after flash etc.

Dexp B21 Run on Android 10 & it is Powered by Spreadtrum SC7731E Processor. connectivity Option’s Include GPS, Wi-Fi, hotspot, bluetooth & 3G.

Why We Need Stock Firmware?

  • to downgrade a Phone
  • to upgrade a Phone
  • fix some serious issue in phone
  • remove FRP Pattern and Pin lock
  • fix bootloop and software issue on Phone
  • completely Re-Installation of board software

Pre-Requirement’s

  • first make a complete backup of your Personal data (if possible)
  • charge the device at least 50% to prevent accidental shut down during the process
Must Require:

Firmware Information:

Device Name: Dexp B21
Type: Full ROM
ROM Size:
up to 911MB
SoC: SC7731E
Os: Android 10
Password: Null
Gapps: Included
Root access: Not
Firmware Version: B21_T1_201203

Download Links:

How to Install Stock Firmware on Dexp B21:

    1. Download and Install SPD Driver from above
    2. Download and Extract ROM File and Flash tools From above
    3. Run Flash tools and Click Load Package.
    4. Now Select Pac file from the downloaded ROM folder
    5. Click Download and connect Your switched off Phone.
    6. done/

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