N900 no longer finds phone networks
 

It has no problem recognising the SIMs, the same SIMs work in an old Sony Ericsson 750.

It shows no reception icon at all.

Yesterday, I noticed that it had far worse reception than the SE 750 and so I'm suspecting a hardware problem.

My USB port is loose and so I'd need to resolder that to reflash.

This is my 2nd N900 and so I do have working parts if the repair is easy to do.

Re: N900 no longer finds phone networks
 

As you suspect, possible hardware failure.

As always only a full reflash will rule out software issues.

Have you tried 2G or 3G only mode?
Any debug messages with devtools? dmesg?

Re: N900 no longer finds phone networks
 

Turns out odd bits of what I thought were plastic when putting my N900 back together are aerials.

http://talk.maemo.org/showthread.php?t=80339

I didn't screw them in properly and when I messed up my USB & switch to an external battery charger, swapping batteries dislodged what shouldn't have worked very well in the first place.

This poor reception led to another problem -- the batteries drained in 2-3 hours. I blamed the charger (which may have actually worked) and eventually acquired Nokia's own DT-33. The batteries still didn't work so bought a couple of Pisens which didn't work much better.

Anyway, tightened the screws now and am on full bars. Hopefully, the batteries will start lasting a couple of days rather than hours now. :rolleyes:

Re: N900 no longer finds phone networks
 

Mark thread as solved:)

Re: N900 no longer finds phone networks
 

Battery drain is almost as bad as before -- 6 hours even in Offline Mode and 70% C4.

Weird how all this stuff started at the same time.

I'll probably start a new thread on that though if I can't isolate it myself.