Problem
Hang in Logo then restart
Action Taken
Format using Volcano Box Tool
Procedure
Select Mtk Tab
select Boot v5.1232 (625a/62xx)
uncheck auto detect pinout
select usb mode
Read Flash for backup
then check format


Done
here is backup file for future purpose
Download here
2 times po aq nag read flash sir una nung hang sa logo pa sya nag read flash muna ako para safe after nun format ko using volcano at nung sucess at working na ung unit read flash ko ulit at un ung iniupload ko
)