Question about Sony Ericsson P990i Cellular Phone
This is probably a problem with your SIM card. You should visit your carrier's store or contact them and request a replacement SIM. They probably will not charge you at all.Getting a new SIM is definitely the first step.
Posted on May 29, 2011
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
SOURCE: contact service provider
What to do if - "Contact Service Provider", "Tampert Alter", "Wait before enter special Code" message is displayed: If after inserting a simcard from a different provider you notice the message "contact service provider" or any of the messages above, you will need to leave your phone on, at that "contact service provider" screen, for 1-3 hours. Just let it sit on the screen and dont touch any buttons during that time. It will then switch to something like "enter subsidy password", and you can then enter your code.
Posted on Dec 31, 2008
SOURCE: my samsung B7722, first time
Tired of memorizing new PIN codes? We show you how to change your SIM card's various PIN and PUK codes in less than 5 seconds.
Although most people remember their primary SIM PIN code, those othercodes - used for various verification purposes - are never to be foundwhen needed. Below we've included a set of short codes which, whenentered on a handset's standby screen, will let you easily change PINand PUK (short for Pin Unlock Code) codes - but keep in mind, they maynot work with all handsets and mobile operators.
More importantly, when changing ones PUK codesthere'll be no help to get from the mobile operator if the new codesare forgotten, so make sure to write any changes down alongside the oldPUK codes. Also, please note that the codes should be entered withoutthe spaces shown below.
Change SIM Card PIN
** 04 * old PIN * new PIN * new PIN #
Change SIM Card PIN 2 (Write down the new code)
** 042 * old PIN * new PIN * new PIN #
Change SIM Card PUK (Write down the new code)
** 05 * old PUK * new PUK * new PUK #
Change SIM Card PUK 2 (Write down the new code)
** 052 * old PUK * new PUK * new PUK #
Display Handset IMEI
*# 06 #
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Posted on Dec 15, 2010
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