If you can't change the default SIM, here's the workaround.
1. Set the SIM card (which you want to set as default for SMS messages) as default for Calls and Internet,
2. Temporarily disable the other SIM card,
3. Send a message to anyone,
4. Re-enable your other SIM card,
5. Re-adjust the...
HELP GUYS! Naformat ko SD card, ni copy ko naman lahat sa SD card pero di sya gumagana sa platinum karaoke. HUHUHU sana may makapansin
FAT32 ko sya finormat