A friend of mine has recently asked me for advice about how to RMA his phone due to some serious hardware fault (WiFi network not functioning and lower screen buttons not responding from time to time). It is a second-hand phone, and he has boot unlocked and cyanogenmod installed in it.
I have read that, among the conditions to get a successful RMA from HTC, it is needed to send the phone with the boot locked and an original RUU installed on it.
I have get both the CID and RUU needed through the fastboot command prompt and I would need to find the RUU to match these parameters:
I can only find either the RUU 3.18.401.1 but for different CIDs, or an older RUU (3.14) matching the area code (401) and CID (HTC_203). I have also read that one cannot flash an older RUU on the phone. Will it brick it?
I have to choose to flash one of this RUUs:
3.18.401.1 CID HTC__032
3.18.401.1 CID HTC__001
3.18.401.1 CID HTC__E11
3.18.401.1 CID HTC__405
Neither of them matches the CID on the phone.
3.14.401.31 CID HTC__203
Or this. This is the newest RUU matching the CID, but is it older than the one originally flashed on the phone.
Could I get any help?
Thanks so much in advance!
PD: Sorry for my English.