First of all, sorry for my english, as i'm typing this on my pc, that does not have auto correct.
I was a proud owner of a nexus 4 since a while back. I bought a nexus 5 and gave my N4 to my father. Before i give it to him, i installed the factory image 5.0.2. It worked fine for 1 week and then the trouble began.
He complained with me that he was without signal during the day. I went to check and although it showed full signal most of the time, he as unable to send or receive text or calls.
I went on a hunt for the problem. The firts thing i've done was changing the radio modes. In 2g only, it works just fine. Calls, text and data work fine.
On WCDMA only none of this works, Sometimes it even shows signal and all, but it rarely can receive or make calls. Almost never works.
I changed basebands, tried all the ones. Changed the android version and even tried with ubuntu touch. The result is the same. The only way that you can trust the fone is in GSM only.
Nothing special occured with the N4 in his ownership. Didin't drawned the phone, didnt throw him on the ground. nothing.
It's impossible to even sell the phone this way.
So, my friends, any of you has seen something similar to this behaviour ? Some of you have any tips for me ?
I saw that there is a antenna module alongside the speaker, but i don't know if it's really relevant to this case.
Also gps works, bluetooth and wifi.
Any help will be welcome.
I was a proud owner of a nexus 4 since a while back. I bought a nexus 5 and gave my N4 to my father. Before i give it to him, i installed the factory image 5.0.2. It worked fine for 1 week and then the trouble began.
He complained with me that he was without signal during the day. I went to check and although it showed full signal most of the time, he as unable to send or receive text or calls.
I went on a hunt for the problem. The firts thing i've done was changing the radio modes. In 2g only, it works just fine. Calls, text and data work fine.
On WCDMA only none of this works, Sometimes it even shows signal and all, but it rarely can receive or make calls. Almost never works.
I changed basebands, tried all the ones. Changed the android version and even tried with ubuntu touch. The result is the same. The only way that you can trust the fone is in GSM only.
Nothing special occured with the N4 in his ownership. Didin't drawned the phone, didnt throw him on the ground. nothing.
It's impossible to even sell the phone this way.
So, my friends, any of you has seen something similar to this behaviour ? Some of you have any tips for me ?
I saw that there is a antenna module alongside the speaker, but i don't know if it's really relevant to this case.
Also gps works, bluetooth and wifi.
Any help will be welcome.
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