Strange issue in T800+ .. Plz help

[Laith]

huge internet data usage , looks like it downloading something ,i don't know ,
Rebooting and upgrading to the last firmware (2.26) not solving the problem and it continues also in the standby mode plz help guys.

[Laith]

Also factory reset not solving the problem!

[mumtaz17]

dear is ko dump file karo loader k through