sympre una mo check ung touch screen .punta ka contacts den pindutin mo lahat 1 to 0 den pag ok ..drag ka isang apps kung nagdradrag sa lahat ng corner oks ung touch screen nya.then tignan mo ung speaker nya kung nagana tpos call ka kung nakokontak.tpos setting then hingi ka warranty pra matesting mo ung battery life nya
1. Hardware keys, speakers, camera amd flash, trs port, charging port and mic(s)
2. Bootloader, kung locked okay lang, kung unlocked ask kung the official way or the hardway (bypass and exploits)