S20 FE 5G slow charging after update to Android 12 - Samsung Galaxy S20 FE Questions & Answers

Hi guys,
I have the S20 FE 5G (SD865 version) with official firmare. 781BXXU4DUL9
After the recenet update to Android 12, I noticed that 'super fast' charging is really slow. sometimes it is even slower then regular 'fast' charging.
I use the same charger as before the update, when I connect the charger it says 'super fast charging' but the charging time is unusually slow, from 50% to 100% is about ~1Hr. it used to be much less ~30 minutes or so. when I connect the regular fast charger it sometimes show the same amount of time or sometimes even less.
I tried wiping system cache but it did not solve the issue.
Any help would be appreciated.

small update,
even after the latest update to UI 4.1 the battery drain and charging issues still exist. I really don't get why Samsung don't fix their bugs, even after so many costumers are reporting this on the Samsung forums.

Power phone down completely, see if it fast charges.
After a major firmware upgrade you should do a factory reset. 12 is a mess, but at least give a fair chance... or not and roll back to 11.
Rule #1- if a OS is fast, stable and fulfilling its mission, let it be.

Never update guys. They pushing you to swap to s22 or any new phone...

Wanted to update it is still very bad after Android 13
charging issue had been fixed, but battery life is still terrible.
I get typically ~4.5 SOT see below
Android 13, S20 FE 5G snapdragon
tried wiping cache and optimizing apps.
still did not try to do factory reset, not sure if it will help much

Just to update, I did full factory reset and installed everything fresh.
I see very minor improvement ~5-6 hrs SOT, still not amazing in any way.

Have you tried cleaning the charging port? It gets clogged with cloth fiber and dust usually. Without good connection, the phone cannot charge well enough.

Related

10 months trying fixing battery drain (k20 pro/mi9t pro)

So, It has been 10 months of headaches. Bought in july 2019, for two months best phone ever, battery lasted 2 days, near to 1-2% of battery drain at night on standby. After installing miui 11, the battery said "bye bye". 3h screentime, need to charge the phone twice a day, losing 10%/h on standby.
What I tried is:
-havoc os
-xiaomi.eu Miui 11-12. beta and stable
-Evolution x
-latest firmware always/reinstalled latest firmware-vendor
-always clean install wiping everything
-new battery 2 months ago (same results, no difference at all)
-no app is draining battery in the settings
-unistalled analytics and miui daemon (msa not found on xiaomi.eu roms)
the phone goes in deep sleep as you can see in the photos in the link below.
Gps, wifi and bt always on. Tried switching them off, just 1% less of battery drain on standby.
Bought a broken mi 9t pro just to try switching motherboards, just to try that it isn't a electric or physical issue with the phone, but can't do it that right now, waiting the new screen to test the broken phone.
https://photos.app.goo.gl/zaAoKBJ4txMa7vRg9
Any suggestion?
Have you tested putting the phone on standby in airplane mode? This is unlikely to be the root of the issue but poor cellular signal may negatively impact the battery life.
wsydgx said:
Have you tested putting the phone on standby in airplane mode? This is unlikely to be the root of the issue but poor cellular signal may negatively impact the battery life.
Click to expand...
Click to collapse
tried that also, nothing change. Always 4%+/h of drain in standby.
I've pretty same problem, and it's really strange...
I've a Mi 9T Pro, bought not more than 2 months ago brand new, all stock.
I leave on just the phone active during the night, in both SIM cards: no bt, no wifi, no mobile data active.
The battery drain is around 10%, which is really insane considered that before my 3 years old phone, an Honor 8, in same conditions, was draining not more than 4%.
In general battery is draining really too much.
Passed OTA from MIUI 11 to 12, but the drainage is same.
I'd like to understand what is the issue causing that.
Dude. Same issue for me. It's only 6 months old. I noticed battery loss on miui just a month into purchase. I'd suggest pick a rom without Gapps or one with microG and try them out. I was using evo X and getting around 6-7 hrs SOT. Once I moved to Aim and Omni I started getting 9-10 SOT. I think Gapps is mostly the culprit. Miui sucks these days. I tried miui 12 and was utterly disappointed. Try this and you might just start loving your phone again. I'd say go for Omni and setup microG, install greenify, turn off battery optimisations only for essential messaging apps and turn on aggressive doze. Your sure to see a difference
Try havoc os 3.7 , try it without social apps like instagram, facebook and other crap.
Mine usually lasts around 3 days with 6h sot.
I also have gps , bt , sync and data always on
Tried gms doze? Disabling autostart of apps in miui?
Mi 9T Pro ll Tapatalk
The point, guys, is not to try different ROMs or install apps or not to use social medias because the phone drains battery...
The point is that the phone should not drain battery that much at all!
I think Xiaomi should care more of the firmwares released, trying harder to fix bugs that might be important rather than releasing new features.
My own opinion.
PS. Last night i checked the battery drain thoroughly: from 1.30 am to 7.30 am, just both SIM cards on to receive eventually phone calls, no WiFi, no BT, no internet connection, ND mode active = battery drained 9%
It is not acceptable!!
Clear all apps from memory, clear cache of 'Google Frameworks' and 'Google Play Services' don't restart the phone
I do this whenever I remember usually every few days and get great SOT around 9-11 hours. Although Accubattery says my battery health is 3300 of the 4000 as I've had it for a while and I'm a very very heavy user. Brand new was getting closer to 10-12 hours doing this same method.
I found it by someone posting a random comment somewhere in this forum just don't know who or where I saw it. They gave no explanation as to why it works but just what they did and its worked immediately. Note I'm still on MIUI 11.0.3 Global as I'm nervous this method won't be as effective in more newer MIUI Versions.
If you have a newer version please try and let me know if it still works, hope this helps
Also I reinstall MIUI through the phone after clean flashing it via Mi Flash
That is that I flash clean (erase storage but not lock bootloader) from Mi Flash and then go to the update settings of the phone and then press the 3 dots at the top left and "download latest update" and then install it again
This helped when I was on MIUI 10.X.X but do it out of habit so not sure if it helped for MIUI 11.0.03
edit: Reinstall method
Similar issue with my K20 Pro.
1. The battery backup on Android 9/MIUI 10 was giving me close to 1.5 days of backup of 7-8 hours of screen time.
2. It was decreased to 6-6.5 in Android 10/MIUI 11
3. Now with MIUI 12 it is reduced to 6 hours and with need of charging two times in a single day. All this with no social media apps, only Whatsapp, Youtube, Prime Video, Spotify and MS outlook, teams apps with regular usage. WIFI all the time, no GPS, 2-3 hours of Bluetooth. plus tried deboating MI apps.
So far I have tried PE, EVOX and EU roms but all gave me disappointing battery backup. The battery seems fine only on android pie so my assumption is that battery probably doesn't need replacement and more of xiaomi's firmware related issue on android 10.
It's so disappointing to see such a great piece of hardware holding back because of battery. I hope somebody find a good solution to this issue.

Note 9 Battery Usage on Wifi

So this is my last resort as i have literally tried everything else already. Recently (speaking a month or so) i have noticed a severe drop in sot on my Note 9 aswell as overnight drain of ~20% with no Apps running. After several tests i have come to the conclusion that the drain seems to stem from having either Wifi or LTE enabled. Now i am aware that both of those require a decent amount of Power in active use, but it does not explain the sudden extreme drain where as before it was ~ 5-6% overnight.
Things i have tried: Replaced the battery, Factory reset, Cache wipe, Disabling all Apps, etc..
The only thing that really worked was disabling Wifi or LTE. Now my question is, has someone had similar issues or can someone provide an App that actually shows Android System Battery usage for Galaxy Devices again? According to the built in Battery Manager Apps only draw about 3% of the 20% that are gone overnight.
Any help or info would be much appreciated.
Device Information:
Note 9 SM-N960F Dual Sim Exynos
Android 10 Latest Update (Nov 6 2020)
OneUi Version 2.5
Bump, really no one who has the same issue?
Try booting your device into Safe Mode and see if that happens. If it doesn't then there is an app on your device that is constantly updating the data to the server and is causing the battery drain. You will have to uninstall it.

Question Battery Calibration on Exynos S21 Ultra

Hi All,
I seem to have issues with my battery calibration. 100-90% is depleted in 30 mins and 10-0% is depleted in 12 mins under regular usage. BBS and Accubattery don't seem to report anything strange. Also, the phone gets extremely hot during these periods. I have tried disabling sync, location. I have also tried enabling power-saving mode but to no avail. Tried with airplane mode on, removed one sim, switched sim cards but to no avail. I also tried running it down to 0% and charging it with three different chargers, Samsung 15w, Mi 18w, and through type c charging with my laptop. The result stays the same. I also forced software recalibration using *#0228#
I have also reset the phone and set it up without smart sync.
The total battery life has been average but not spectacular. I would like to know if there is anything I can do before I claim the warranty as it would take 3-4 days at my nearest service center and I would like to use keep using my phone
Here are a few important specs:
Processor: Exynos
Dual Sims: Jio and Airtel(Indian)
Software version: XXS2AUBB (March Update)
Accounts: 3- Normal, Dual Messenger and Work Profile
Any help would be appreciated. TIA.
What is your total battery time etc
blogslogger said:
Hi All,
I seem to have issues with my battery calibration. 100-90% is depleted in 30 mins and 10-0% is depleted in 12 mins under regular usage. BBS and Accubattery don't seem to report anything strange. Also, the phone gets extremely hot during these periods. I have tried disabling sync, location. I have also tried enabling power-saving mode but to no avail. Tried with airplane mode on, removed one sim, switched sim cards but to no avail. I also tried running it down to 0% and charging it with three different chargers, Samsung 15w, Mi 18w, and through type c charging with my laptop. The result stays the same. I also forced software recalibration using *#0228#
I have also reset the phone and set it up without smart sync.
The total battery life has been average but not spectacular. I would like to know if there is anything I can do before I claim the warranty as it would take 3-4 days at my nearest service center and I would like to use keep using my phone
Here are a few important specs:
Processor: Exynos
Dual Sims: Jio and Airtel(Indian)
Software version: XXS2AUBB (March Update)
Accounts: 3- Normal, Dual Messenger and Work Profile
Any help would be appreciated. TIA.
Click to expand...
Click to collapse
It's likely that Dual sim is the cause for the rapid drain. Did you try running only 1 sim for a day? If the issue persists, then perform an ODIN clean install. If the issue is still there, then send it to service centre
Try wiping phone cache, also instal thermal Guardian from Galaxy labs and see if temps are rly high, if it is try lower the thermal threshold, heat is very bad for batteries so it might be the problem. What are you doing when phone gets hot? I usually get 1 hour SOT from 10%.
da1e8 said:
What is your total battery time etc
Click to expand...
Click to collapse
The total battery time is 13 ish hours of use with 5.5-6 hours of SOT. I do not have any screenshots but I will try to post them later after today's use.
blogslogger said:
The total battery time is 13 ish hours of use with 5.5-6 hours of SOT. I do not have any screenshots but I will try to post them later after today's use.
Click to expand...
Click to collapse
That's not ridiculously bad depending on signal strength etc and which apps you have been using
amirage said:
It's likely that Dual sim is the cause for the rapid drain. Did you try running only 1 sim for a day? If the issue persists, then perform an ODIN clean install. If the issue is still there, then send it to service centre
Click to expand...
Click to collapse
Yes i did. I have not tried the odin method though. I might try it. Thanks for the tip. It maybe a case of a bad CSC flash from the factory.
da1e8 said:
That's not ridiculously bad depending on signal strength etc and which apps you have been using
Click to expand...
Click to collapse
The battery life per se is not that bad. It is higher than what i have got from my OP8 pro and S10 plus. But my concern is the uneven battery drain. 100-90% is something i can live with. But 10-0% literally is like a new year's countdown..
And my signal strength is always excellent and i have vowifi on. So i thought that shouldn't be a concern.
I am not a very heavy user.. Most of my work is mail, google meet and youtube.
blogslogger said:
The battery life per se is not that bad. It is higher than what i have got from my OP8 pro and S10 plus. But my concern is the uneven battery drain. 100-90% is something i can live with. But 10-0% literally is like a new year's countdown..
And my signal strength is always excellent and i have vowifi on. So i thought that shouldn't be a concern.
I am not a very heavy user.. Most of my work is mail, google meet and youtube.
Click to expand...
Click to collapse
That's just probably how the software reads the battery mine sometimes goes from 5 to 1 percent really quickly it has happened on all my Samsung phones
da1e8 said:
That's just probably how the software reads the battery mine sometimes goes from 5 to 1 percent really quickly it has happened on all my Samsung phones
Click to expand...
Click to collapse
If its just the drain, it should have been fine. It gets ridiculously hot during the drain. There is also an option in Find My mobile to enable sending the location during the last few battery %. Toggling it off didn't help either.
blogslogger said:
If its just the drain, it should have been fine. It gets ridiculously hot during the drain. There is also an option in Find My mobile to enable sending the location during the last few battery %. Toggling it off didn't help either.
Click to expand...
Click to collapse
Exactly how how is "ridiculously hot"?
Sharpshooterrr said:
Exactly how how is "ridiculously hot"?
Click to expand...
Click to collapse
The frame and back of the phone are too hot to touch.. and the screen gets uncomfortably warm. Cpu Monitor hovers around 65 degrees c.
I had an Galaxy s20 FE 5G and now i have S21 ultra and both are draining from 100-90% quickly, I think its the way Samsung is, I guess. I heard this complaint many times and in forums i have read and posted people keep saying its normal for Samsung devices.
blogslogger said:
The frame and back of the phone are too hot to touch.. and the screen gets uncomfortably warm. Cpu Monitor hovers around 65 degrees c.
Click to expand...
Click to collapse
Hi..try to do an ODIN reset. That should most likely solve the issue. If you still have the option to return/ replace the device, then that would be a better bet.
24h ago flashed (with Odin) G998BXXU3AUDA ... so far so good . Its too early for conclusions , better battery life is noticeable and no more phone overheating , ... but I will wait for the next few days for a complete conclusion.
One thing to note that if you are using 5G then expect higher battery usage. 5G is data only so a 4G connection is also required for texts and calls, this means when using 5G you actually have to keep two connections to the cell towers. If you have 5G available maybe try turning that off for a day to see what difference it makes.
blogslogger said:
Hi All,
I seem to have issues with my battery calibration. 100-90% is depleted in 30 mins and 10-0% is depleted in 12 mins under regular usage. BBS and Accubattery don't seem to report anything strange. Also, the phone gets extremely hot during these periods. I have tried disabling sync, location. I have also tried enabling power-saving mode but to no avail. Tried with airplane mode on, removed one sim, switched sim cards but to no avail. I also tried running it down to 0% and charging it with three different chargers, Samsung 15w, Mi 18w, and through type c charging with my laptop. The result stays the same. I also forced software recalibration using *#0228#
I have also reset the phone and set it up without smart sync.
The total battery life has been average but not spectacular. I would like to know if there is anything I can do before I claim the warranty as it would take 3-4 days at my nearest service center and I would like to use keep using my phone
Here are a few important specs:
Processor: Exynos
Dual Sims: Jio and Airtel(Indian)
Software version: XXS2AUBB (March Update)
Accounts: 3- Normal, Dual Messenger and Work Profile
Any help would be appreciated. TIA.
Click to expand...
Click to collapse
Please update to the latest version of the update - AUC8 (with the April Patch).
Then, please do a cache wipe.
And wait on a few days for the software to understand and adapt to your usage.
Hopefully things should work out for the better.
master_class said:
Please update to the latest version of the update - AUC8 (with the April Patch).
Then, please do a cache wipe.
And wait on a few days for the software to understand and adapt to your usage.
Hopefully things should work out for the better.
Click to expand...
Click to collapse
You don't need to wipe the cache it is wiped when updating anyway

Battery Drain after Android 12 Update

I've promised myself not to root my pixel NOR install custom ROMs or kernels over the stock and for 1 year almost I kept the stock ROM on. It feelt wonderful to find a stock phone that was so smooth and an incredibile battery life then...
Well, then Android decided to update to 12 and I felt so confident ( usually I don't update software on old hardware ) and trust Google so much that i did the update bit **** starter to happen. Battery was draining faster then ever, with the same usage of the phone it went from 100 to 0 in 6 hours. Tried it for 1 week, factory reset twice and started from 0 with no apps installed but nothing changed.
Does anyone else had the dame problem with Android 12?
Btw, now I al on LOS + Sultan Kernel and in 13 ours of usage ( the same ad always, i don't use the phone to much ) I still have 77℅
I have the same issue as you! Besides that, A12 works randomly face id on my phone. Then I decided to use LOS
@MySelf_v1
Glad you found a solution, but I have no issues with battery on A12 running the stock ROM. That being said, Google has replaced my phone twice due to defective batteries. My current phone shows 3,860 mAh capacity which is 104% of the design capacity of 3,700 mAh. I have used Accubattery for years (after the 6P battery debacle) and when the battery capacity dropped below 80% on the P4XL I was on the phone with Google straight away. Most of my problems on the previous P4XL's were from using wireless charging continuously and leaving the phone on the charger all night, charging to 100% every time.

Question Slow charging and other bugs after miui 13 OTA update

I'm on 13.0.1.0 (India) experiencing extremely slow charging, constantly dropping VoWiFi and missing the option for dark mode in some apps. Overall experience feels a bit laggy too. Is this just me or everyone is facing this? I've factory reset but it's no use.
What is the advantages of version 13. Why not stay on 12.5 ?
opg2000 said:
What is the advantages of version 13. Why not stay on 12.5 ?
Click to expand...
Click to collapse
Well the update notification came and I updated, didn't give it much thought.
I understand. I read so much buggy -messages about this release
opg2000 said:
I understand. I read so much buggy -messages about this release
Click to expand...
Click to collapse
So I have to endure this until it (hopefully) gets fixed in next update or is there any solution?
Go back to 12.5.9 . Maybe you have to format data (lost of all your settings). Search for "downgrade" ....
Update: Apparently the Slow charging issue goes away after one full charge-discharge cycle. It's charging as fast as before if not faster.
The charging logic which decides how fast the battery can be charged needs accurate information about the battery state. After an update a calibration seems to be necessary which is done by a full cycle (complete discharge, then fully charge). Before a calibration the battery stats may be inaccurate.
The fastest part of charging is being done in the area 10-50%. If it does not know in which area it is, it seems it assumes that it is in the 90-100% area where only slow charging is possible, or just says "don't know anything" and only charges slow for safety reasons. That makes sense.
After OTA update on my note 10 pro max, I got shocked after finding out those bugs on this update :O Though Magisk root was gone, I had to flash it again :/ but the system gets stucked after a boot. While magisk root was installed, it happened every time. Can anyone suggest me any good options? I've done hiding the magisk app, but it didn't worked.

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