18-08-2019 12:14 AM
Hey,
I've noticed a problem with my A70 regarding trying to dim the screen when locking manually or expecting it to lock after screen timeout.
Basically, my phone won't sleep, at least not whilst charging. I spent a good while playing around with settings on my phone, such as timeout and lock screen settings. I also powered off the device but no luck.
After trying to figure out the problem further I discovered that the notification tray is being constantly updated every few seconds swapping between "Android system USB connector connected" and "Android system USB connector disconnected". So presumably this is what is keeping the phone awake as it thinks it is being constantly connected and disconnected from source USB source. I cleaned out the USB port but it was pretty clean to begin with. I'm not getting any notifications regarding any moisture detection.
The A70 charges just fine (though sometimes there is a slight delay to it recognising being plugged in) and it seems that the USB tethering interface is working well as I can use the remote debugging feature in Google Chrome (for web development purposes) just fine. As far as I can tell, there are no actual issues with the USB port - it functions as I would expect.
The A70 was last updated on the 14th August to "Security Patch level: 1 July 2019" and looking over the log of updates I see that "The charger/USB port's moisture detection algorithm has been improved" - so someone somewhere has been looking at this feature and I doubt it coincidence that my device has just developed a fault, given that I've not had it anywhere near moisture or excessive dirt.. and the port still actually works!
I've also tried Safe Mode but the issue persists. Also, if I power the device off, then plug it into the wall, power it on, the notification issue stops... until I unplug it/switch off the wall socket - then it comes back again.
Anyone else having similar problems?
05-12-2019 03:39 PM
05-12-2019 09:58 PM
Just as I sxpected it did not help. Apparently Samsung has a batch of defective USB boards or a major bug in last software update.
06-12-2019 07:34 AM
I'm having this very annoying problem is there any solution to this ? My a70 is only a couple of months old
06-12-2019 10:48 AM
Hello guys,
I have the same problem with my A70. I tried all the solutions described here but without any success. Today I went to Samsung Service and I left the phone there.
I will return with a feedback when samsung starts to investigate my phone.
06-12-2019 11:04 AM
Only reasonable answer is if you can send the A70 to service like me. Good luck @all
07-12-2019 11:19 AM
07-12-2019 11:22 AM
07-12-2019 03:07 PM
Discharge works! No service repair needed 🙄
08-12-2019 08:13 AM
I spoke to samsung surport live chat about mine they told me to do a soft reset so no data is lost and had been fine for two days now to soft rest you have to hold the power key and the volume down keys down together for about ten seconds
08-12-2019 10:08 AM
Step 0
I messed up when i charged my phone my honor charger.
To solve this issue :
Step 1
Drain battery until you are unable to switch it on again.
Step 2
Charge the battery until it's full.
This will recalibrate your battery.
Step 3
Wipe cache from usb settings app
https://www.takeandroid.com/how-clear-cache-in-galaxy-a70-wipe-cache-partition/
Don't forget to display system apps for you to be able to find it.
Step 4
Restart your phone
Step 5
Enjoy life. Your misery is over.