hi-
i've unrooted my mtk6577 using SuperSU.
Now tried your method to root using universal_gb_root_v25b.zip and also universal_gb_c.c.b.s.f_v8.zip but no luck.
it gives me msg
--Install /sdcard ...
Error: Invalid OTA package
Update.zip is not correct
Installation aborted.
Can you help ?
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