Develop Bugs

[Q] USB Charger

Hi,
I've used a USB charger on all my phones for a few years now. Just plug phone in on my desk and no worries. However my new Defy doesn't seem to take a charge from the USB on my network device (it's not a full PC). However my HTC HD2 could get a charge from it so:
1. Is the Defy more power hungry that it won't charge from an ND (I assume NDs put out less power over USB than a PC)
2. Does it just not show on the battery on the Defy that it's charging?
3. Have I missed something simple? I've gone into USB connection and selected charge only. I can't install drivers on the ND though, could that be it? The ND hasn't said it's found new hardware either though.
Thanks in advance for advice

motorola has a notorious reputation on this, they require a usb driver to be installed for charging some of their phones...
i think there's some strange combinations at work about this but, just use a standalone charger and it should solve the problem.

Thanks. I thought it would be that.
Bit short of plug sockets at work but I'll figure something out

Another point to note is that the Defy is very fussy regarding USB cables. A lot of cheap ones will pass data but no charge.

martint235 said:
Thanks. I thought it would be that.
Bit short of plug sockets at work but I'll figure something out
Click to expand...
Click to collapse
Would you consider hacking a usb cable to make a charging lead? A standard usb lead plugged into a PC will try to enumerate with the PC before it starts to draw power from the PC. However if you hacked a usb cable and shorted the DM and DP lines on the phone side, the phone 'should' detect the cable as a mains charger rather than a PC, thus enabling charge without any drivers on the PC. It would be something like the attachment...

Thanks for all the replies. Although my USB cable wasn't cheap and was capable of charging an HD2 which must be more power hungry than a Defy, it turns out the Defy is really fussy. It's charging fine through the Motorola USB lead on my network device.

My USB loading experience
Hi,
just to share my exp:
- loading with most USB loaders: fine
- My Car loaders and my multi power adaptor with usb can load everything but the defy
- on Computer no problem (some say you will have better battery performance when loading on non Computer: I can´t see a difference)
- cable doesn´t change anything

technome said:
Another point to note is that the Defy is very fussy regarding USB cables. A lot of cheap ones will pass data but no charge.
Click to expand...
Click to collapse
I've bought a couple of USB cables from ebay. My Defy seems to connect and disconnect when using them, like it has a loose connection. If I use the Motorola one, of course it's fine!

can't connect to usb

i can't connect my sgs2 to USB storage. when i plug in the usb cable to my computer and phone it will charge but nothing else happen. i had stock rom before but are currently using jug 4.0. i thought it was the rom so i downgraded to 3.69. still the same problem. i mean i can do anything with the phone just can't let my computer detect the phone. i tried to reinstall the driver, nothing works. please help!

Is your cable a samsung branded one? I had that same problem but with stock rom. I used an LG branded cable and the phone would connect to the computer and charge, but would not go into USB mode.

yeah, i am using the one that came with the phone, i guess i will try to use a different one. it was working fine before, don't know why it just stopped!

This has happened a few time for me. Sometimes the phone has only needed a reboot, the wire definitely plays a big role... I bought some cheap cables that didn't work at all... some of the older roms wouldn't show USB connected unless drivers were installed (kies). An issue I've more recently unveiled is after using an MHL adapter sometimes the USB will connect for 30-60 seconds before unmounting storage again. Hope that helps
My SGSII HercuDom needs more w00t. It always needs more w00t!

I had the same problem on a stock phone (purchased in late Oct from T-Mobile store in Arizona). I would connect it to the computer and it would charge but would not recognize the USB function (for data transfer or modem use).
Took it back to T-Mobile and they overnighted me a new one for no charge. New one works fine.
papayaforever said:
i can't connect my sgs2 to USB storage. when i plug in the usb cable to my computer and phone it will charge but nothing else happen. i had stock rom before but are currently using jug 4.0. i thought it was the rom so i downgraded to 3.69. still the same problem. i mean i can do anything with the phone just can't let my computer detect the phone. i tried to reinstall the driver, nothing works. please help!
Click to expand...
Click to collapse

Same thing happen to me 2 weeks before. Send back to Samsung in Plano TX and was told it had corrosion in usb port. Them asswipe told me its would not be fix duo to water damage. Dont know how water/moisture got in the port but thats there explanation. All it does is charge from pc, tried using 3 different cables 3 different pc and same thing. Some say a tooth brush might help but tried it and still same.

read this http://forum.xda-developers.com/showthread.php?t=1427301

Cant charge or connect to USB
Hello, i just bought a samsung sgh i777 and when i try to connect it to charge it, wheter is on the wall or computer, a battery starts to flash, if i disconnect it, the phone starts as if you are turning it on. So far i've tried: Change the battery, change the charger several times, put factory settings and still the same problem, can anyone help me?
Thanks,
FS

How can I tell if my USB port is busted or my phone is corrupted? Only charges now.

Charging over USB works fine no matter the cable or the connection but it no longer will show up in Windows on any PC as a device. I tried flashing roms, changing cables, and doing the usb fix with Terminal listed in the sticky but it doesnt connect or will it know it's connected to a PC.
Can the port be broken so data no longer works but charging does?

its not the phone its the computer, try another computer

XenonV said:
its not the phone its the computer, try another computer
Click to expand...
Click to collapse
I have tried 3 which is why I wonder if my phone is broken, but it charges fine.
On all PCs the charge light comes on the phone with no problems but with all of them none of them detect a USB device being plugged in.,
Even in recovery if I do a USB-MS mount nothing happens.
Can the usb port break so that it charges with no issue but wont connect to a PC?

LordJezo said:
I have tried 3 which is why I wonder if my phone is broken, but it charges fine.
On all PCs the charge light comes on the phone with no problems but with all of them none of them detect a USB device being plugged in.,
Even in recovery if I do a USB-MS mount nothing happens.
Can the usb port break so that it charges with no issue but wont connect to a PC?
Click to expand...
Click to collapse
Does the phone recognize your sdcard?

LordJezo said:
Charging over USB works fine no matter the cable or the connection but it no longer will show up in Windows on any PC as a device. I tried flashing roms, changing cables, and doing the usb fix with Terminal listed in the sticky but it doesnt connect or will it know it's connected to a PC.
Can the port be broken so data no longer works but charging does?
Click to expand...
Click to collapse
I think the solution to your problem can be found in this fix

The USB port on my Evo 4G will charge but won't show up as as a device on my laptop. If I hold the USB cable at an angle, though, it does show up. I think mine is busted, maybe that's the case for yours.

Mavman42 said:
Does the phone recognize your sdcard?
Click to expand...
Click to collapse
Yup. Last night I completely wiped it and had the phone format and set it up fresh.
moreno4xl said:
I think the solution to your problem can be found in this fix
Click to expand...
Click to collapse
Tried that, didnt work,
DarkRazorZ said:
The USB port on my Evo 4G will charge but won't show up as as a device on my laptop. If I hold the USB cable at an angle, though, it does show up. I think mine is busted, maybe that's the case for yours.
Click to expand...
Click to collapse
Do you think the cable is busted or the phone? I have tried multiple cables on multiple PCs and nothing happens.
So then it is possible for the phone to be unable to connect but still charge fine?

LordJezo said:
Charging over USB works fine no matter the cable or the connection but it no longer will show up in Windows on any PC as a device. I tried flashing roms, changing cables, and doing the usb fix with Terminal listed in the sticky but it doesnt connect or will it know it's connected to a PC.
Can the port be broken so data no longer works but charging does?
Click to expand...
Click to collapse
Have you tried mounting when in Recovery?
It really sounds like your cable is weird. The power lanes are on the edges for USB, meaning that the port on the phone is probably physically fine. The cable, however, is vulnerable to damage on any one of the four wires.
If nothing works, then perhaps something internal is busted. What do you need to transfer from your computer? Perhaps you can do it by connecting to your computer through WiFi for mounting the SD card and adb?

Its your USB port on you phone, theres 2 pins or smoething broken inside your phone thats causing the problem. I had the same problem on my Evo were it wouldnt connect as a storage device and would go into car dock mode. I took it to sprint and showed them the problem and they replaced my phone. As long as you dont have any physical damage such as the screen being cracked you should be fine and they should replace it free of cost.

Make sure that your cable is not one of those charge only, car charger type cables. Typical car charging cables don't transfer data.

zeke395 said:
Its your USB port on you phone, theres 2 pins or smoething broken inside your phone thats causing the problem. I had the same problem on my Evo were it wouldnt connect as a storage device and would go into car dock mode. I took it to sprint and showed them the problem and they replaced my phone. As long as you dont have any physical damage such as the screen being cracked you should be fine and they should replace it free of cost.
Click to expand...
Click to collapse
Yeah, that's pretty much it. If I wiggle it just the right way the computer will see something but it will go away as fast as it shows up. Doubt Sprint will do anything as the phone is a few years old, I dropped the protection plan, and it's rooted to heck.
I'll just keep it running until this fall and upgrade when the new Nexus line comes out.
Hopefully.

[Q] [Help]. Strange issue with micro USB port.

:crying:
I got my problem yesterday. My phone (GSM version) suddenly didn't charge when I plug with charger.
I try to connect it with PC, PC not recognized it, still not charging.
Reboot to bootloader, all fastboot command work fine (this thing is what make me believe my microUSB port doesn't die). So I flash stock 4.2.2 with Gnex toolkit.
Now the phone charge, adb and mtp work fine when I connect it with PC, and with wall charger nothing happen when plug it in. I did try some charger, it's same, still not charging.
Please help!
p/s: Sorry for my bad english but I hope you can understand what I mean.

There have been issues with the MicroUSB port in some Galaxy Nexus phones. I know this because I was involved with a thread over on the Android project forums having to do with very strange issues of the screen coming on all the time. The discussion is here: http://code.google.com/p/android/issues/detail?id=39625
We finally seem to have resolved the issue by very gently bending the tiny pins inside the phone's MicroUSB port upwards towards the screen.
You have not mentioned the same issue, but I can imagine that all sorts of strange activity could be attributed to a faulty MicroUSB port. You should have a look at comment number 161 in that thread and think about trying that. Be very careful! Be very gentle. If you break it, it;s not our fault! ;=)
fil286n said:
:crying:
I got my problem yesterday. My phone (GSM version) suddenly didn't charge when I plug with charger.
I try to connect it with PC, PC not recognized it, still not charging.
Reboot to bootloader, all fastboot command work fine (this thing is what make me believe my microUSB port doesn't die). So I flash stock 4.2.2 with Gnex toolkit.
Now the phone charge, adb and mtp work fine when I connect it with PC, and with wall charger nothing happen when plug it in. I did try some charger, it's same, still not charging.
Please help!
p/s: Sorry for my bad english but I hope you can understand what I mean.
Click to expand...
Click to collapse

Have that problem too and a my USB cord wiggles soon I have put my phone in position to charge

I remember I had a similar problem like this and I had to change my usb cable. Now I am using my Kindle cable for my nexus as well :laugh: so just try to change your cable and see does it work

I've been through 3 cables so far. The OEM, an HTC ,and I'm on a generic one now. Works for now

Question {SOLVED] Cannot connect ZFold 3 to PC via USB (only charges/no transfer options)

When I plug phone via USB into PC running Windows 11 the phone will only charge.I don't get any options on the phone for file transfer and the PC doesn't detect it. Any tips. It's usually pretty straightforward.

maybe a driver problem?

It came down to the cables I was using.
The Huawei cable I use for the 65W charger didn't work. The Huawei cable for the 15W Wireless Charger didn't work. Found another cable in my cupboard (don't know what or where it comes from) but it now works and I get the options for transfer on the Fold and it shows up in PC's file manager.

小林 卍 said:
maybe a driver problem?
Click to expand...
Click to collapse
Thanks for replying. It was a cable problem.Doesn't seem to like Huawei cables.Very strange.

So the Huawei cable ends are Purple and Orange in colour. Both cables don't work for transfer but only charge when plugging into your PC. The cable end which is White works fine.
Just in case someone else runs into this problem since the phone doesn't come with a charger and cable and you might use your Huawei cables and find you can't connect to your PC to transfer files but only charge.

That isn't new. Samsung had before issue where if you used non Samsung cable the Samsung phone will nag about port was wet, when it wasn't. But now it seems Samsung finally got rid of that limit so charging with any USB C works now. But it seems you need to use original cable for phone when it comes to transfer of files.