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2019-05-12
, 07:23
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Posts: 4,118 |
Thanked: 8,901 times |
Joined on Aug 2010
@ Ruhrgebiet, Germany
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#2
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Sounds more like a (serious) hardware problem.
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SIM-Switcher, automated SIM switching with a Double (Dual) SIM adapter
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Thank you all for voting me into the Community Council 2014-2016!
Please consider your membership / supporting Maemo e.V. and help to spread this by following/copying this link to your TMO signature:
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2019-05-12
, 09:41
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Posts: 1,718 |
Thanked: 4,764 times |
Joined on Apr 2018
@ Helsinki, Finland.
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#3
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Is the soldering done properly for usb port so that there are no unwanted circuit connections?
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2019-05-12
, 11:31
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Posts: 701 |
Thanked: 1,981 times |
Joined on Jun 2015
@ Lisbon - Portugal
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#4
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Originally Posted by Maemish
It seems so but i am wondering if something is wrong. Read Somewhere that bme sometimes does not reset even after flashing
Is the soldering done properly for usb port so that there are no unwanted circuit connections?
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2019-05-12
, 13:16
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Posts: 1,718 |
Thanked: 4,764 times |
Joined on Apr 2018
@ Helsinki, Finland.
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#5
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Have you tried only in one order the flashing or with others too? I needed to play couple of times with different order to get it done. Once it booted with red squares the whole screen full while trying those but reflash fixed it and now works properly. I have couple of N900 so didn't mind if it would broke though.
__________________
"I don't know how but I can try!" (active)
Master of not knowing (active)
For me it is possible to get lost in any case (active)
Learning to fall from high (DONE)
Learning to code with BASIC (WIP)
"I don't know how but I can try!" (active)
Master of not knowing (active)
For me it is possible to get lost in any case (active)
Learning to fall from high (DONE)
Learning to code with BASIC (WIP)
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2019-05-12
, 13:35
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Posts: 701 |
Thanked: 1,981 times |
Joined on Jun 2015
@ Lisbon - Portugal
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#6
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Originally Posted by Maemish
What do you mean about the right order? Always flashed the same way including my other n900. I am considering that the batteries i have are not in very good condition. Once the "damaged" one showed low battery and turned off i tried that battery on the other One. First it showed 30% and sudenly turned off with 0%
Have you tried only in one order the flashing or with others too? I needed to play couple of times with different order to get it done. Once it booted with red squares the whole screen full while trying those but reflash fixed it and now works properly. I have couple of N900 so didn't mind if it would broke though.
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2019-05-12
, 21:22
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Posts: 110 |
Thanked: 362 times |
Joined on May 2014
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#8
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Find the heat source..
Get a dual-use thermal camera.
Become the louis rossmann of the N900 community!
https://www.youtube.com/watch?v=FLSO0D67lOA#t=01m45s
If you get one you can help check where Leste is loosing the 80ma of sleep/idle current. [So it is dual-use technology. Because it has to be split your framerate will be low.]
(your finger tip might work as well, propably not for 80ma)
Get a dual-use thermal camera.
Become the louis rossmann of the N900 community!
https://www.youtube.com/watch?v=FLSO0D67lOA#t=01m45s
If you get one you can help check where Leste is loosing the 80ma of sleep/idle current. [So it is dual-use technology. Because it has to be split your framerate will be low.]
(your finger tip might work as well, propably not for 80ma)
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2019-05-12
, 21:30
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Posts: 701 |
Thanked: 1,981 times |
Joined on Jun 2015
@ Lisbon - Portugal
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#9
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Originally Posted by pythoneye2
I can tell that the battery gets very hot
Find the heat source..
Get a dual-use thermal camera.
Become the louis rossmann of the N900 community!
https://www.youtube.com/watch?v=FLSO0D67lOA#t=01m45s
If you get one you can help check where Leste is loosing the 80ma of sleep/idle current. [So it is dual-use technology. Because it has to be split your framerate will be low.]
(your finger tip might work as well, propably not for 80ma)
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2019-05-12
, 21:54
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Posts: 110 |
Thanked: 362 times |
Joined on May 2014
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#10
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So your Battery seems to work.. but discharges a little too fast..
I would not run it with battery in this state.
Look for an equal hot spot on the pcb.
Since you have two devices (and your fingers can feal heat) you can even compare heat between them.
But honestly fixing might get complicated, if you cant spot something simple and obvious.
How did you fix gsm? reflow, reball, new chip, springs?
I would not run it with battery in this state.
Look for an equal hot spot on the pcb.
Since you have two devices (and your fingers can feal heat) you can even compare heat between them.
But honestly fixing might get complicated, if you cant spot something simple and obvious.
How did you fix gsm? reflow, reball, new chip, springs?
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| hardware, nokia n900 |
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Can this be something related to bme? Shouldn't reflash solve this?
Thanks
PS: USB port was resoldered a few years ago. I reflashed it twice but always hapens