My sony ericsson p1i keypad is not working. Only few numbers are working 0,#,*,ok button only

you may contact the service provider......

The PIN number should have accompanied the contract from your phone service provider (PSP). Contact the PSP's service hotline if you cannot find the number anymore.

The IMEI you can find out by dialing the standard GSM code *#06# (works for most phones, not only Sony Ericson).

you should access the P1's Control Panel, and perform a hard reset. this will delete all data though so make a backup before. after this, your p1 will be ok again

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the bios might need to be flashed. . have it flashed or reformatted by a technician

Try removing the battery and pushing power button to discharge capacitance.
Check to make sure phone powers up and battery is good.
Purchase new touch screen.
http://shop.ebay.com/p1i%20screen?_from=R40&_trksid=m38&_nkw=p1i+screen&_naf=1
Repair.
http://www.formymobile.co.uk/p1disassembly.php

http://www.sonyericsson.com/cws/support/softwaredownloads/p1i?lc=en&cc=gb

from here you can download ...

my Sony Ericsson P1i touch screen is not working where to buy new touch screen

my p1i ask inserted sim card.. huhu but i have insert it.. help me!!!

Just ask u r network providers to send internet settings (inform u r mobile model number)