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I was using CWM 6.0.1.5 Xolo Q800, then i have decided to switch to TWRP, some idiot posted wrong recovery.img of TWRP 2.5.0.0
I have installed the TWRP recovery using my PC, and then when the phone rebooted I lost my dual sim networks.
getting Invalid IMEI for both the SIM's, Unknown baseband.
SIM's are only working with STOCK ROM, If i try to flash any other custom ROM SIM's are not working.
Please help.

We're on the same boat but with me even the stock.zip that is flashable tru recovery didn't fix the problem. I think I need a ROM that I could flash via SP flash..

I think it's normal after flazhing using sp tools could make our device be invalid imei, sometimes be like that, you can do restore userdata, if don't work you can use imei tools for mtk

I have reflashed my Cosmos X (Vsun i1s) with stock rom + userdata and tried using different method to put back IMEI but nothing is working for me. Any other suggestion?

Im in the same sinking boat, anyone please help!!

have you tried mobileuncle application to fix IMEI?

It seems nothing work for us i have the same trouble
Ulefone be one pleaeplease help