Nokia 5130 No Network and Dropping Signal Problem Solution

This solution covers and may possibly help fix the Nokia 5130 with  No network or dropping Signal problem. The solution below shows the RF circuit of the Nokia 5130 Xpressmusic device that where we can establish a check up procedures.

Note before doing any hardware troubleshooting, you may first try to restore the device firmware on any latest firmware available. If the software calibration did not fix the problem you may then proceed to hardware troubleshooting. 

Nokia 5130 No network Signal Solution

To fix a dropping signal like it shows a signal when freshly powering up the phone then after a few seconds the signal lost. In this problem you may replace the PA IC. Check first the supply voltage of that said IC before replacing it.
For a total No network signal shown on the device, check all the supply voltages across on its corresponding RF chips. If all the voltage readings were all okay, replace both PA and the RF chip alternately.

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Nokia 5130 bluetooth, FM Radio Problem Solution

This is the Nokia 5130 xpressmusic solution for not working bluetooth and FM radio problem. This solution provides some hints on fix the bluetooth if it will not able to turn ON or shows errors.
Just repair to the solution below and locate the highlighted components.

Nokia 5130XM Bluetooth and FM radio problem Solution

 To fix bluetooth problem on 5130XM device you may first check the supply voltages of the Bluetooth module IC. The bluetooth will absolutely ain't work if there is no supply voltage or missing.
If the FM radio is okay, you may check the bluetooth antenna and saw filter. And then check also the FM antenna if the bluetooth is working and the FM radio is not.
If both FM and Bluetooth is not working, you may need to replace the Bluetooth chip module.

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