Why can't I downgrade my Lumia 525 from Windows 10 to 8.1?

[Windows Central Question]

I cant downgrade my lumia 525 from windows 10 to 8.1

I used both Microsoft recovery tool and also lumia software recovery tool. Even though I had a good internet speed.it show's the errror like this "invalid crc32 for file:RMp998_3058.50000.1425.0003_RETAIL _im _india_910_03_453354_prd_signed.ffu". friends pls help me out this.

 

[ven07]

Re: I cant downgrade my lumia 525 from windows 10 to 8.1

Did you check if the tools worked for your phone before installing w10?? things you can TRY:

- uninstall the programs, reboot and install them again
- use a different laptop/pc
- use a different usb cable
- check if drivers are up to date

These are known suggestions, but if all fails then you'll have to live with w10 for now

 

[valyvis10]

Fist hard reset and after Lumia recovery tools.
Hard reset is a combination of buttons, watch on youtube.