Question about Nokia 7610 Handheld

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Keep Losing Signal

Hi,I have been using this phone for almost 3 years now without a hitch...but sicne last couple of days I have been having this problem ... most of the time I dont get any signal... and I checked its not about the i face this problem even if i m on the road and in the center of the city..So please can somebody help me on this..will be greatly obliged..Thanks

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Re: Keep Losing Signal

Hi, sorry for being probably too late but I'll give my opinion however. I think that there is a problem with something called PF. It is a component on the mainboard in the RF (radio frequency) tranceiver area. Some small coils or a chip that is controlling the frequency calibration to 900Mhz-1800Mhz is out of tune and now working for example at 904Mhz. As frequency channels are allocated precisely the phone woun't find any network in that area. As it sounds, you will need to send the phone to a repair center but there are chances that this may prove to be an expensive repair (it depends of the damaged component type). It will be a good ideea to ask them for a estimate before they actually repair the phone. I'm sorry for not being able to give you other information but.. good luck however, and always remember to rate any reply received from this site.

Posted on Feb 28, 2007

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Restriction code for nokia 5310


just like others who want restriction code to their nokia mobile you can also use this just follow the instruction very carefully..
after you do please don't forget to give me a rate for the answer that i gave..

any further additioanal question you want to know you can log on this site...

On the main screen type in:
*#06# for checking the IMEI (International Mobile Equipment Identity).
*#7780# reset to factory settings.
*#67705646# This will clear the LCD display(operator logo).
*#0000# To view software version.
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1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start)
*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.
*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
*#4720# - Half Rate Codec activation.
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If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#
Note, your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is: 12345
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2. Replaced battery with a NON-Brand name: If you replace the battery with a lesser expensive pack from china, they will typically use an inferior set of cells. Use only the name brand batteries for best performance.

3. You're in a location where you cannot pick up a DIGITAL signal. If you are roaming or unable to pick up a digital signal, the cell phone will constantly be searching for a tower wasting precious energy. For best standby times, make sure you are receiving a digital signal.

4. Battery charger malfunction: If you're accustomed to charging your battery with a wall charger, try charging it from your cigarette lighter in your car or with a different charger. If it works longer after doing this, drain the battery and charge again the way you usually do. If you're back down to only 12 hour stand-by, the usual charger may be malfunctioning.

5. Make sure your backlight is not on all the time. If your phone has a setting to keep the backlight on, turn it off.

Good Luck.

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