Galaxy S8+ Battery temp -20 celsius. - Samsung Galaxy S8+ Questions & Answers

Hi
My phone says that the battery temp is -20 (tried with different apps )
When I try to charge it says: Charging paused, battery temp too LOW.
I have tryed to change the daughterboard, but still same problem.
Also tried with another battery.
I can't see any water damage.
Could it be in the software?

Are you using an original samsung battery?

peachpuff said:
Are you using an original samsung battery?
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Yes!

Have you checked that the nfs / wireless charger cover is replaced properly. I had to replace my charging board and without that piece conected properly the phone wont charge and gives that same error message ?

Strangeland16 said:
Have you checked that the nfs / wireless charger cover is replaced properly. I had to replace my charging board and without that piece conected properly the phone wont charge and gives that same error message ?
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Click to collapse
Yes i have checked that.

larsy_ said:
Yes i have checked that.
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Click to collapse
I believe most batteries have a built in thermistor (temperature sensor), if you have changed batteries then that would seem to rule out the temperature sensor which seems to leave either the connection between battery thermistor and board or the circuit that measures the thermistor resistance and hence derives temperature

Related

Phone not charging while using GPS due to overheating

This is a continuation of the discussion that was started here. Since I do not want to crowd that thread with an offtopic subject, I am continuing here. I am quoting the relevant posts from that thread also.
unni_kmr said:
One issue bothers me a lot. I cannot use the phone for navigation for more than 2 hours even with car charger connected. In about 2 hours, it drains out fully. My latest theory is that after about 30 mins of charging, the battery starts heating up, and so it stops charging.
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Click to collapse
mtdew said:
User error or bad unit I have zero issues with my GPS or car charging. Also what amperage is your car charger capable of outputting.
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
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unni_kmr said:
I am not 100% sure in terms of the amperage. But I tried with a car charger capable of charging a laptop, using the wall charger and cable which came with the phone. I was sitting in the passenger seat, phone was in my lap (not mounted in windshield) and Google Maps was running in navigation mode. For the first 15 minutes or so, I saw that the phone was charging. The charge level increased by 1% or 2%. After I think 20 minutes, it stopped charging. CPU-Z app was showing battery status as
health: over heated or heated (don't remember clearly the text)
power source: connected
status: not charging or discharing
Phone's back was very hot. I unplugged the USB cable and connected it back, and it started charging again! I waited for it to cool down, removed the phone case, repeated this and got the same result.
This is why I believe the phone is doing something to protect it from over heating. I am not sure though.
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mtdew said:
Amperage is important son too little it will discharge, I think it will limit if too much. Nav can cause some heat for some of these guys but I've never heard of it getting that high my guess is something was wrong.
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
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Click to collapse
acejavelin said:
I have gotten my last few chargers at Sam's Club, they are about $10, and are rated at [email protected]
In an older phone I had a similar issue where my phone would overheat and not charge properly, once I got a new charger I cut the end off the old one and read the voltage with a meter, it was putting out almost 7.1v (should be 4.75-5.25vDC for USB 1.0-2.0 standard, and 5.25-5.75vDC for USB 3.0), pretty sure that is what caused it... cheap components equals cheap quality and flaws. Current rating should be irrelevant, as long as it meets the devices minimum requirements (most modern phones are [email protected]), even if a charger is rated at 2, 3, or even 5 amps, the device should not draw more than it can handle. Current is drawn, not pushed, a device will draw the needed current at the expected voltage, you can't really "over-current" a device by using a power source that is rated at the proper voltage but a higher current. Similar instance can occur by using a charger that has too low of a current rating, the device will try to draw more current than the adapter is rated at and the adapter will eventually fail or fall out of specifications.
Some other good chargers are by Anker, PowerGen, or RAVPower, and of course a Samsung branded adapter will work well, most all of these can be purchased for $8-$15 on Amazon. If the adapter is not rated with a current rating, then skip it, it is probably only 600ma-750ma and will be more headache than it's worth in the long run.
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Click to collapse
bps119 said:
Good to see that we're getting a new user who actually does their homework. :thumbup:
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
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technoid1964 said:
The Skyrocket (and several other Samsung phones) need special "type 2" chargers. Apple charges are type 6, so if it says compatible with Apple, don't use it as it may not work. If the two center pins on the USB port doesn't have a 50 ohm resistor across them (or not shorted) , the Skyrocket will only draw 350 mA. Samsung and older Curve BlackBerry chargers have the resistor. At 350 mA, the phone draws more than the charger is providing, and the charger circuitry heats up trying to keep up with demand.
Jrockttu has a great thread under General called "Fix your Skyrockets battery life"
I've MOD'd all of my chargers, now my phone is happy with the screen on all day while driving and it stays charged, or charges slowly...
Tim
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
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Click to collapse
To eliminate the possibilities mentioned above, I bought the following:
1. Car Charger: PowerGen Black 3.6Amps / 18W Dual USB Car charger
2. USB Cable: Mediabridge USB Charging Cable
I also installed this app (Skyrocket Charger Info).
Summary of what happened:
With new car charger: Fast Charge (A/C) - Charging at 898 ma
With old car charger: Charger Wakelock - Charging at 497 ma
When connected to mains using factory charger: Fast Charge (A/C) - Charging at 898 ma
When connected to PC USB port: Slow Charge (USB) - Charging at 497 ma
Even with this new charger, phone stops charging once it heats up.
The full story:
Once I plugged in the phone to the new car charger using the new USB cable, the app showed the charging current as "Fast Charge - Charging at 898 ma". This is the same mA value it shows when I plugin into the mains with the phone's factory charger. I drove around with maps for around 15 minutes. Once I stopped, I saw that charge level had dropped by around 9%. I immediately launched CPU-Z app. It was showing battery overheated & not charging (see attachment 1). The phone was hot.
I removed the charger. After I think 1 minute, the battery status became 'good'. I plugged in the charger again. It started charging. While I was looking at the CPU-Z screen, battery status changed from 'good' to 'overheated' and 'charging' to 'not charging'.
Attachments:
(Please note that these screenshots are from another test where I had driven for around 30 minutes, and is not based on the above story.)
1. Phone state once I stopped the car. Charger is connected, but phone is not charging. Note that ignition is on.
2. After removing the charger.
3. After connecting the charger again. Within a few seconds of taking this screenshot, it changed to what is shown in attachment 1.
So I guess I can't do much about this, right?
I can't remember if you replaced the battery or not.... That could also be any issue if it's getting old and can't absorb the charge as fast as it used to... It will heat up quicker.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
How old is your battery? And how many times a day do you plug it in?
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Sorry. I somehow missed your replies.
technoid1964 said:
I can't remember if you replaced the battery or not.... That could also be any issue if it's getting old and can't absorb the charge as fast as it used to... It will heat up quicker.
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Click to collapse
I will try to purchase a new battery if its not too costly.
hotbyz168 said:
How old is your battery? And how many times a day do you plug it in?
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My phone and battery are now 18 months old. When I am in office, I charge it twice. It doesn't drain much, but I keep it fully charged just before leaving office.
Phone can overheat when under direct sunlight with GPS, screen and CPU working (the most power-consuming activity on the phone happens to be navigation), and also charging. Nothing unusual in that - its internal temperature in this case can reach beyond 100 degrees C. The battery can't charge when above 60-70 degrees C, because it can get physically damaged or even explode.
Concealing the phone from direct sunlight might work.
Limiting the CPU frequency might work.
A new battery might work.

battery thermal sensor location

hi, I'm dealding with an S6 G920F with charging problem ( Charging paused. Battery temperature too low)
I looked around but i didn't found any real fix, some says it's the battery , some the usb flat, some the mobo.
Now, does anybody know where the battery thermal sensor is located? on the charging board like old S4 or it's on the battery circuit?
thanks
it is on charging port
[email protected] said:
it is on charging port
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Click to collapse
Even a damaged charging port jack can cause this too, just an FYI.

How to measure charging rate even when the screen is off on S8 plus ?

Hi, I got the S8 plus verizon version.
I suspect I have fast charging issue. The phone doesn't seem to do fast charge all the time even when the screen is off.
I want to know if there is an app that can measure the "overall" charging rate from start to finish when the screen is off. I tried Ampere, it is good app, but it only shows the "current" rate, which very often is around 500mA to 700mA on average on Samsung original charger. Yes, it does occusionally go up to 900mA or 1020 mA. But never over, on samsung original charger. It is normal? I remember I used the Anker charger with QC, it shows it went up to 1680 mA ... However, when I do it now, it does not. It caps on 1020 mA.
Sometime even worst if I a QC car charger, at around 300mA .
When the screen is off, there is no way for me to see the charging rate. If QC is not working, is the phone has some minor defect? I should sent it for repair ?
Please let me know if I have other ways to measure it.
(Thanks in advance.)
Note:. Yes, I also experience some screen shut off or no powering on issue like some members here.
xin008 said:
Hi, I got the S8 plus verizon version.
I suspect I have fast charging issue. The phone doesn't seem to do fast charge all the time even when the screen is off.
I want to know if there is an app that can measure the "overall" charging rate from start to finish when the screen is off. I tried Ampere, it is good app, but it only shows the "current" rate, which very often is around 500mA to 700mA on average on Samsung original charger. Yes, it does occusionally go up to 900mA or 1020 mA. But never over, on samsung original charger. It is normal? I remember I used the Anker charger with QC, it shows it went up to 1680 mA ... However, when I do it now, it does not. It caps on 1020 mA.
Sometime even worst if I a QC car charger, at around 300mA .
When the screen is off, there is no way for me to see the charging rate. If QC is not working, is the phone has some minor defect? I should sent it for repair ?
Please let me know if I have other ways to measure it.
(Thanks in advance.)
Note:. Yes, I also experience some screen shut off or no powering on issue like some members here.
Click to expand...
Click to collapse
https://play.google.com/store/apps/details?id=com.digibites.accubattery
having same issue
Am having same issue using the iphone 8
xin008 said:
Hi, I got the S8 plus verizon version.
I suspect I have fast charging issue. The phone doesn't seem to do fast charge all the time even when the screen is off.
I want to know if there is an app that can measure the "overall" charging rate from start to finish when the screen is off. I tried Ampere, it is good app, but it only shows the "current" rate, which very often is around 500mA to 700mA on average on Samsung original charger. Yes, it does occusionally go up to 900mA or 1020 mA. But never over, on samsung original charger. It is normal? I remember I used the Anker charger with QC, it shows it went up to 1680 mA ... However, when I do it now, it does not. It caps on 1020 mA.
Sometime even worst if I a QC car charger, at around 300mA .
When the screen is off, there is no way for me to see the charging rate. If QC is not working, is the phone has some minor defect? I should sent it for repair ?
Please let me know if I have other ways to measure it.
(Thanks in advance.)
Note:. Yes, I also experience some screen shut off or no powering on issue like some members here.
Click to expand...
Click to collapse
Although not an app, this works great as it shows the charging voltage as well as the current.
https://www.amazon.com/Kurrent-Type-C-Monitor-Macbook-Chargers/dp/B06XGJ6K8Z
Sent from my SM-G955U using Tapatalk
+1 for AccuBattery.
Xealot42 said:
+1 for AccuBattery.
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gdeangel said:
Although not an app, this works great as it shows the charging voltage as well as the current.
https://www.amazon.com/Kurrent-Type-C-Monitor-Macbook-Chargers/dp/B06XGJ6K8Z
Sent from my SM-G955U using Tapatalk
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any ways to remove battery percentage on the status bar?
Near_07 said:
any ways to remove battery percentage on the status bar?
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AccuBattery Settings > Notification Priority > Minimum. It will still show in the pull down notification list but the battery % status bar indicator will be removed.
You could probably also disable it entirely via phone settings > notifications.
What is the default charging rate of galaxy s8 plus?
Don't know but this is screen on and near full charge
TheMadScientist said:
Don't know but this is screen on and near full charge
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Does it per amp or ma base?
amps
mrjoy said:
Does it per amp or ma base?
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Amps
I wish it did both but this only shows what drawing through the cable into the device obviously nothing plugged in registers 4.95 volts but 0 amps
My note 2 usb was flakey and i noticed it was only drawin .01 .02 amps then in the right spot 1.25
TheMadScientist said:
Amps
I wish it did both but this only shows what drawing through the cable into the device obviously nothing plugged in registers 4.95 volts but 0 amps
My note 2 usb was flakey and i noticed it was only drawin .01 .02 amps then in the right spot 1.25
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Click to collapse
I think you are measuring with usb meter but im measuring with Galaxy Current Charge app & it shows MA per rate current. Can you tell why I'm not getti g stable MA rate, it constantly chaging.

Phone confused about charging

Hi guys,
I haven't been able to charge my phone properly for a while - after reset when I plug in the original charger, it charges fast, when I unplug it and plug it back in, it charges slowly. When I unplug it again, it still shows the charging icon forever but it won't charge when plugged in. Factory reset doesn't help. The phone also randomly shows the USB moisture message even though it never got wet. Changing cables and power sources doesn't help.
Build MHA-L29 8.0.0.375(C636)
Thanks for any ideas!
Blow out the USB charging port on the phone. Also, use a toothpick to GENTLY clean out the port of lint and dirt.
And use app that tracks your charging speed. Try ampere In playstore.
robogo1982 said:
Blow out the USB charging port on the phone. Also, use a toothpick to GENTLY clean out the port of lint and dirt.
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Click to collapse
Thanks for the reply. I tried that already. Is it possibly a battery issue? I wouldn't mind replacing the battery, which is cheap rather than replacing the phone because of such nuisance.
weyrulez said:
And use app that tracks your charging speed. Try ampere In playstore.
Click to expand...
Click to collapse
Thanks, good idea.
Ampere clocks in at -250 mA after reset. Goes to around 1800 when plugged in to a third party charger, which drops to around 300 mA when unplugged (phone indicates that it is charging). After reconnecting it goes up to 1000 mA. I don't have my Huawei charger at work but it's similar - at first plug in it charges fast, after reconnecting it switches to the slow mode.
You should use your original charger. And see if supercharge is working. If not. Give it a shot in a service center. Theyll fix your phone for free if you still have warranty.
weyrulez said:
You should use your original charger. And see if supercharge is working. If not. Give it a shot in a service center. Theyll fix your phone for free if you still have warranty.
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Click to collapse
I'll try that tonight, thanks. Unfortunately no warranty but I'll see what I can do.
domi_niku said:
Thanks for the reply. I tried that already. Is it possibly a battery issue? I wouldn't mind replacing the battery, which is cheap rather than replacing the phone because of such nuisance.
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Click to collapse
Well, before replacing the battery, try this:
- turn phone off
- connect to original Huawei Supercharge charger and charge up until 90% or so
- disconnect from charger and turn on
Use the phone as you normally would until around 35-40% remains, then try connecting the charger. If the issue persists, I still believe it is a problem with the charging circuitry rather than the battery. Especially if we take the moisture in the USB port message the phone shows. Replacing the USB charging circuitry should not be a big problem AFAIK, it is connected to the motherboard with a snap-on connector, replacing it should be easy as disconnecting the connector, removing the circuit with the port and placing the new one in.
Yep, I guessed it: https://www.youtube.com/watch?v=4avHFWjsz4k
Are you having issues where the phone is displaying 30 or so percent battery remaining, but the phone shuts down?
robogo1982 said:
Well, before replacing the battery, try this:
- turn phone off
- connect to original Huawei Supercharge charger and charge up until 90% or so
- disconnect from charger and turn on
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Click to collapse
That's a great point. I didn't know the USB circuitry can be replaced by itself. I don't have any issues with the phone switching off. It uses the battery all the way down to 1% or so. I don't see any erratic percentages. I'll replace the part and update you on what happens. Thanks!
robogo1982 said:
I still believe it is a problem with the charging circuitry rather than the battery.
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Click to collapse
Yup, that was the problem. Easy fix. Thanks for the suggestion!
Make sure your microphones still work. I had to replace my USB charging board (which also contains the mics) recently and the first one I tried had a bad mic. I could make phone calls just fine, but google assistant couldn't hear me. I got a replacement and both mics were fine.
domi_niku said:
Yup, that was the problem. Easy fix. Thanks for the suggestion!
Click to expand...
Click to collapse
I wish I could close this thread but a lot of weird stuff happened since I "fixed" the phone.
Since I bought the battery before I was told it could have been the USB board, I replaced the old battery too. The first charge was smooth and I drained the battery to 0 as recommended. I plugged it back in and it charged to 5% and stopped. I noticed a chemical burn smell that I later realized was coming from the USB circuitry. At this point there was no way to charge the phone but when tried to turn it on, I still saw the red charge icon. I opened it up and put the old defective USB board back in and I was able to charge it. Throughout the day I noticed weird battery drain that I saw recently before the replacement of the USB board. As usual, I tried to restart the phone to fix that but it won't turn on. The battery was at 85% when I shut it down. When I try to turn it on, it won't even show that red charge icon. Nothing. I can't put the old battery back to see if that's the problem, because I bent it during replacement.
Could it be a battery issue this time or is the phone just dead at this point?

Help with charging

Recently, my got hit by the floor i the back, and at this point every time i connected it to the charger it wouldn't charge saying it's cold.
I tried replace the wireless module, the battery and even the charging port module.
I also formatted the phone but nothing seems to be helping.
If anyone here has a solution for me, i would love to hear it.
avishyf said:
Recently, my got hit by the floor i the back, and at this point every time i connected it to the charger it wouldn't charge saying it's cold.
I tried replace the wireless module, the battery and even the charging port module.
I also formatted the phone but nothing seems to be helping.
If anyone here has a solution for me, i would love to hear it.
Click to expand...
Click to collapse
Sounds like a hardware related issue.
Does charging via USB cable work? Or via wireless charging?
The phone says that it's too cold to charge? If it is not that cold, maybe the temperature sensor is defect preventing the phone from charging the battery
It_ler said:
Sounds like a hardware related issue.
Does charging via USB cable work? Or via wireless charging?
The phone says that it's too cold to charge? If it is not that cold, maybe the temperature sensor is defect preventing the phone from charging the battery
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Click to collapse
High g impacts can damage chipsets, crack solder joints and... thermistors. May be just a loose connector but it needs to come apart to be repaired.
Get the battery replaced while it's being repaired.

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