We have about: 1000 Brands - 25941 Firmware file
All files are uploaded to googledrive, mega, mediafile or AFH, 100% are completely free and download at high speed
If the file requires an extract password, use: https://firmware247.com to extract it.
If the download link from googledrive is limited, please read: How to fix and download files is limited on googledrive

Howto Use ResearchUpgrade tools (SPD Tools) flash firmware

Howto flash firmware android with ResearchUpgrade tools

In this article, we will guide you to install stock firmware for your phone using ResearchUpgrade software

Features to note:

Save all your important data
When you do, you should prepare a good cable.
over 90% rechargeable battery to ensure the machine does not lose power.
when running rom absolutely do not unplug the cable if installing rom.

First, find and install drivers for your phone
Next, find and download the necessary firmware
Next, download the ResearchUpgrade software

Sponsored links

Steps by steps guide:

Sponsored links

Step 1: extract the downloaded firmware file, get the .pac file

Step 2: Open the ReSearchUpgrade software

Step 3: Click on “Load Packet” and select the .Pac file in the unzipped firmware folder.

Step 4: Click on “start”.

Step 5: Wait 5 minutes, the software will automatically flashing

Step 6: When Done, your phone is automatically restarted.

Done, Watch video tutorials:

See more:

ok, happy for you.