1. Engineer mode dial : ##3646633##
2. Developer mode : Settings/about phone/baseband & kernel/build
number
3x tap or more para ma enable nyo developer mode
3. Gawin ulit yung no.1 ( engineer mode dial code)
4. Band mode sim1 or sim2 . Dipende kung ano gamit nyo pang data
kung sim1 o sim2
5. GSM mode wala po tayo gagalawin jan..
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UMTS mode : WCDMA - IMT - 2000 lang po ang naka check, uncheck
na po yung iba
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LTE MODE : GLOBE BAND 40
SMART BAND 41
uncheck na po yung iba.
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6. Mobile data service preffered
( Allow mobile data transmission at full speed) check nyo yan
Done.