Question about Samsung SGH-A877 Impression Cell Phone

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Keeps saying emergency calls only or no network

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Is the phone working before now? If yes, try put another sim to see if it will read the sim card, because there are two possible reason for the problem you stated above, one is the problem with the phone, the phone might need to be unlock the network sim card you inserted, in other words, the phone is lock. Second possible reason is the sim card might be damaged or the phone signal antenna bad, if this is the case, you will need to replace the sim card or the signal antenna.

Take card.

Posted on Aug 31, 2010


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Hi,the problem of your phone is a network problem that is why you are getting this message on your phone,

Here is the solution;

If you have the tools and the technical know-how,follow the detailed steps below;

1. You have to observe the handset if it has to do with setting the network band for the appropriate subscriber required of the phone.
2. If it is phone that has up to three network band you select them one after the other to get the appropriate band for the subscriber, you them register it.
3. Checks if the antenna is touching the board interface, if do so.
4. Take a close look if anything is removed or pull off from the network area board e.g. chips, capacitors, IC diode etc.
5. Check if any resistor or chips are not soldering very well then you solder them.
6. If not still, you service the board by W/H.
7. But you must ensure the board is cool before you must couple it.
8. If no still network you can rewrite the PM by means of software.

If you don't have the required skill and experience to carry out these steps,please consult a mobile phone engineer in your area for assistance.

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