Database Users

USB connected

My phone thinks the usb cable is connected when its not...and I think its a hardware problem. I was using AA i3 and all of a sudden, out of nowhere, it started happening. In the status bar it says usb connected, but when I pull it down it doesn't show the usb storage notification. I flashed stock ef02 and its still saying the same thing...wiped data, dalvik, cache, and still it does this. I'm thinking about taking it up to the sprint store...but before I do has anyone else had this problem with their epic? It works fine when I do plug in the usb cord. But its a major annoyance... it tries to charge when powered off! It shows the battery charging screen when powered off and not connected.
EDIT: fixed...something to do with the superuser beta 3. uninstalled, put superuser 2 back on and its fine
EDIT #2: Nope, doing it again. Now I have a screenshot
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Same thing, same phone
It started happening to me like a few hours after I first rooted my epic 4g. Not sure why, and I didnt have any new ROMs on it yet, all I did was install ACS.Recovery CWM5 and the Impaled Keyboard Patch Fix, nothing else....so I thought I'd just go ahead and try my first ROM (ThePeoplesRom v.2) and that worked great, but again a few hours afterwards I just started getting the same USB connected issue. it flashes for a while, then it just stays on...any ideas anyone?

I had this happen to me from using older (i.e. - dirtier) cables and dropping it in the snow.... Try cleaning your usb port with some isopropyl alcohol or an eyeglass cleaning wipe. Had to do it a couple of times, and used a paper clip to get it in there, so needless to say (yet here I am saying it) I was extremely careful, as I didn't want to scratch the circuits in the plug.
Did you get it wet or dirty somehow? Dropping mine in the snow didn't help....

PRoblem with Power Connector...

So my power connector has a problem. I can't get it to reliably connect. Just a little jostling causes it to loose connection. If this happens while I sleep, the power drains completely and my alarm doesn't go off.
Any idea how to fix this?
I'm pretty sure the issue is not with my wires because I've tried several - and tried the wires on several devices and they work fine.

synpax said:
So my power connector has a problem. I can't get it to reliably connect. Just a little jostling causes it to loose connection. If this happens while I sleep, the power drains completely and my alarm doesn't go off.
Any idea how to fix this?
I'm pretty sure the issue is not with my wires because I've tried several - and tried the wires on several devices and they work fine.
Click to expand...
Click to collapse
It's the piece of (excuse my French)..........sh*t USB port on the phone. Mine has come loose too. Just got my warranty replacement and it freezes and the colors are off (like the whites are actually a light yellow.....wasn't like that on my old phone)

very true, you can attempt to clean out the usb port on your phone in hopes this will fix your issue. otherwise get ready to spend $5-10 on ebay and pick up a new port, of course you will have to solder this in so yeah, its a fun job

Mine has been this way since the day I got it. I actually just bought some Samsung micro-USB cables off Amazon that have a solid fit inside the phone, wonderful cables! Can't beat the price of them either.
http://www.amazon.com/dp/B001XXUOQI/ref=pe_175190_21431760_cs_sce_3p_dp_1
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galaxy s5 rare charging problem

hey guys,
i have the wiredest problem.
i've phurched a new galaxy s5 and when i connect it to the charger, a charging icon appears but the battery % dosent go up, only down.
i've downloaded many battery analysing app and theey all seem to think that everything is fine, that the current flows and all, but the % dosent go up!
i switched a battery and a cable and its definitly a phone problem (i can charge the battery in another phone)
some suggested that i sould replace the charging port but it looks completly new and fine, and also cost quite a lot of money to replace.
is there any other soultion?
thanks!!

Sorry I encountered the same problem on my old s3. I finnaly solved the probleme by changing the micro hdmi port. Sorry I know you won't here this but i search everything. I replace myself it's not so hard. I do it because my s3 was in ending life.

It does sound like the charger port.....
The replacement parts aren't that expensive (under £10 off eBay).
Just make sure you get the right one....
Look at the pictures......
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These parts are device variant specific......
It would probably be a good idea to match 'rev' versions too.....that was certainly the case with the S2....If the wrong rev version board was put in, it led to signal problems etc......
http://i.imgur.com/rVnFwJM.jpg

Unresponsive Lenovo Tab 2 A7

I have one a friend has asked me to look at.
It is totally unresponsive
I do not know what version of the A7 it is, as I see on the forum headers, there are 2 x A7 varieties, A7 10 and A7 30.
There is no sticker on the rear, and it will not start.
It has been charged over 12 hours with correct charger.
Have tried power/volume up plus power volume down combinations, no go. Tried holding power on for 30 seconds.
Screen shows no indication of starting, no vibration motion, nothing.
I took the back off, removed the battery clip as seen on many tutorials, reattached, still no go.
Multi meter shows battery at 3.1v storage.
PC (Windows) does not recognise the tablet is attached when connected to pc...nothing happens at all on the pc or tablet.
Any guidance please, as it is well out of warranty.
Thank you

Hi,
Still no go with this.
I am trying to determine whether in fact the usb charger point is actually supplying power to the unit, thinking there may be a problem with the adapter on the motherboard?
I have tried many chargers, all with no success.
This is what it looks like where you connect the power cable to the tablet, and I was wondering if someone could tell me, what points can I put a multimeter on the correct areas to see if the connector is my possible culprit.
Can someone suggest some locations, what outputs it should display?
Battery is a L1CP3/87/100 L13D1P31 Li Polymere Charging Limit voltage 4.35VDC Capacity 3450 MaH/13.1wH. I am using a 5V charger and cable.
Many thanks
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bypass battery and run directly using charger

I've used this phone for a very long time now, since 2018
My current use case is using it as a hotspot and running some server and torrent apps on the phone, it works well, 24x7, connected to the charger all the time.
There are times when the battery does not charge for some reason and the phone needs to be restarted after the battery fully drains, especially when dowloading torrents.
I remember an older phone I had long ago, Lenovo Zuk Z2 plus, it used to work without the battery connected, directly connected to the charger.
I have a inverter in place so I don't really need the battery in the phone for my use case, I would like to use the phone like a computer connected to the charger 24x7, I was wondering if anyone knows if the Nokia 6.1 plus would work this way i.e without the battery connected?
I would like to save myself the trouble of opening it and disconnecting the battery just to find out.
Thanks.

anyone?

So, I opened the phone and disconnected the battery...
and...
It does not boot up without the battery connected with the phone connected to the charger.
Probably a jumper is required, anyone know how?

So, I visited a mobile repair technician, and
He tried direct soldering to the battery connector port, which didnt work
He removed the strip from the battery and connected the charging port to it and it didnt work
He finally, put it all ack together and removed the IC on the charging board, that controls the battery charging, now the battery is always charged at 100%
Just thought I'd share with the community
Ps- What he didn't try was a using a diode, but he said that wouldn't work either
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