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GSM Network problems in nokia mobile

Is there aSEMC Troubleshooting Manual for nokia mobile for example Network problems in n73. if there is which site that has it.

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  • s_gh57 Nov 13, 2008

    like this for nokia for example n73.

  • s_gh57 Nov 14, 2008

    hi , i have a problem with network n70 . how can i test anten part by step and step via voltage and freg ... (TROUBLESHOOTE) .

    is there a diagram about this.can u introduce sites for me.

    i have this problem with k800 and i fined it in www.Shrak-mobile .com in part of solution for sony eric... , but that was just k800 and k850 . i want this for nokia mobihes.




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Hello boss let me tell you the best site to solve any kinda GSM network related problems please try it it actually works.. hope its helpful to you.. have nice time.. cheers!!!

Posted on Jun 23, 2009


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I face network problem. What i do now?my mobile is

Here's how to do a hard reset of your Nokia 73 Phone.
1) Turn your device off.
2) Press these 3 keys at the samtime, call key, Asterisk key (i.e.*) and the 3 and hold at same time.
3) Press the powerbutton again and turn the phone on again and wait.after the Nokia logo appears the formatting keyword will appear after a couple of minutes.
4) Now you can release the three keys.
5) Finally the N73 should be ready to go.
These instructions were given to me from a gentleman in China. To whom I was fortunate enough for him to answer my question, so I could get a sollution to you..I hope this has helped you.

Dec 19, 2014 | Cell Phones

1 Answer

Can't get network

HI is your Nokia N73 mobile is not accepting or connecting with your network then this might happen if you haven't fixed the sim properly ,due to some network provider or else the phone is locked to some other network provider due to this it wont accept your network sim until you unlock it .You can easily unlock your nokia n73 mobile through online providers like here they are rendering network unlock code for all mobile models at reliable cost .You first check that whether the code is available for your country and network provider .If yes then pay for it and unlock your phone then freely use it with any GSM sim ...

Oct 13, 2014 | Nokia N73 Nseries Mobile Phone

1 Answer

Help me unlock my Nokia N73 network heres the Serial No.359738007598776

You can unlock your Nokia N73 from Network lock by using unlock code.To get this code at low cost visit the site here you also need to specify the Country,Network provider to which it is locked.Then they deliver the code to you through mail.Using that code you can unlock your phone easily.After unlocking it,you can use any GSM network Sim card on your mobile.

Apr 02, 2013 | Cell Phones

1 Answer

Sim card not valid n73 nokia

If your Nokia N73 says Invalid Sim means it may locked to some network.You need to unlock it.You can get the unlock code from the site
and Unlock Nokia N73 then use with any GSM Network Sim card...You can use any GSM Network Sim card after Unlock it.You cannot unlock CDMA Network locked Phones,Only GSM Network Locked Phones can be unlocked.

Jul 02, 2012 | Nokia N73 Cellular Phone

1 Answer

MY IMEI IS 355506017771343

What is the problem with your Nokia N73? You need to mention the full details to get the exact solution. Anyway, If you are seeking for a network unlock solution you can get the restriction code for your Nokia N73 from any online site. But be wise in choosing a reliable source. For example i would suggest you to choose I have unlocked couple of my mobiles from here. This site provided me accurate unlock code at affordable cost. You too can have a try at here. they will provide complete guidance on unlocking

Apr 24, 2012 | Nokia N73 Cellular Phone

1 Answer

Sir i have n73 mobile, i get the signals on dual mode , and gsm but i can't get signal on umts mode please tell me what is the problem with my mobile

If you can find your way on your phone on the phone network settings (GSM or 2G/3G) you maybe able to change the setting to UMTS.

Please take note, on some phones, UMTS, 3G, 3.5G, HSDPA may all be the same.
Most often you can only select 2G or 3G, 3G may actually mean UMTS/HSDPA/3G/3.5G.

Just curious, may I know the reason why you want UMTS? Perhapd I understand what you want to do, so I can give a better recommendation.

Aug 21, 2011 | Nokia N73 Cellular Phone

1 Answer

Hi dear, , my Nokia N73 mobile some trouble " SIM card not valid" . how is solve the problem?Please assist to me.

If you encounter this problem,it means your phone does not accept your network provider simcard, it only recognize sim that is lock in a particular provider.If you wish to unlock your phone, visit this paid service site at and fill up the phone information as well as the terms of payments,or you can go directly to any mobile service shop near you for unlocking your phone using a gsm is fast and more affordable.

Jul 27, 2011 | Nokia N73 Cellular Phone

1 Answer

Its lock i need it to use any GSM network

well you can use any gsm at any place ... for that you have to unlock your mobile... in my experience the best way to unlocking is unlock using code .. use this website to get unlock code at good cost

Jun 22, 2010 | Nokia N73 Cellular Phone

1 Answer

Can i use Reliance CDMA simcard to N73 ?

Dear sir,

Generally any GSM mobiles does not support CDMA,So N73 also does not work with CDMA.Because CDMA and GSM made by entirely different technologies.So only reliance CDMA mobiles can support for your CDMA sim. If you have any problem regarding this issue leave a feed back we will glad to assist you.

Have a nice day

good luck.

Sep 11, 2009 | Nokia N73 Cellular Phone

1 Answer

Nkia n73 no signal.

select dual mode after inserting sim if don't come then go network selection and select manual. then it searching and get network which sim u use. if still not come then its network ic or someone says pf has been damaged. then go to tecnician.

Jul 23, 2009 | Nokia N73 Cellular Phone

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