I have a htc desire I got from my sister an there is a 4 digit pin code on it an she doesn't know it. I tried all the take the battery out an stuff to do a factory reset but it doesn't fix the problem does anyone know how or what to do?

  • 1
    Is this PIN part of SIM code because factory reset would have cleared the device's PIN? Try using the SIM card into an another device and if it asks for a PIN then you'll know which PIN is it.
    – Firelord
    Jun 23 '15 at 8:59
  • If a factory-reset didn't get rid of it, I'm with @Firelord here: to 99.9% it's the PIN of your SIM card, as all other "locks" should have been cleared by the factory-reset. Shut down the device, take out the SIM, boot up the device again and see whether it still asks for a PIN; if it does not, you can be 100% sure. If OTOH it does, take a look at our locked-out tag-wiki for first-aid.
    – Izzy
    Jun 23 '15 at 13:43

Back in the day, some of the phones would do one of two things if you entered the wrong pin/password too many times, It would either factory reset the phone or it would ask you to login with your google account. So lets hope for the second option. So if your sister remembers her login info, it would be worth a shot at the very least.

  • Unlikely, as OP already did a factory-reset (just read the question again ;)
    – Izzy
    Jun 23 '15 at 13:44
  • Nah I read that part. But I was thinking maybe his device had the option where if you enter the pin too many times it would offer the option to login using the gmail info. Wasn't sure if he had tried the "too many pin tries" option.
    – jer3my
    Jun 23 '15 at 21:23
  • jer3my, that "too many pin tries" option to login with your Google account doesn't apply to the SIM PIN. The SIM doesn't know anything about accounts on the device (and the accounts on the device nothing about the SIM), so there's no connection. The only thing I can agree on here is it could be the OP might have confused "factory reset" and "hard reset" (though I don't think so, as the "hard reset" was done as well by taking out the battery).
    – Izzy
    Jun 24 '15 at 5:50
  • Ahh. I guess we need more info from the OP. I assumed(and you know what happens when you assume lol) he was referring to the pin on the lock screen. But yeah the SIM pin is a whole different beast. Yeah most factory resets have to be done either in the phone software or some button combo to get into the stock recovery and wipe it that way. I didn't see him mention that it was the SIM pin. I was just guessing that's what he was referring too(the device lockscreen pin)
    – jer3my
    Jun 24 '15 at 5:56
  • That's why I went for a comment (asking for clarification) instead of answering straight away based on an assumption (hint to you ;). If a factory-reset didn't kill it, I'm 99.9% sure it's a SIM PIN OP is talking about.
    – Izzy
    Jun 24 '15 at 6:03

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