Screen on time - Samsung Galaxy Note 20 Ultra Real Life Review

It's amazing how much we actually use our phones in a given day, especially when we watch "videos"! Rate this thread to express how many hours of screen-on time you can get on the Samsung Galaxy Note 20 Ultra before depleting the battery.
Then, drop a comment if you have anything to add!

For my Snapdragon N20U (yes in Korea we finally get the Snapdragon version!), I'm getting quite horrible battery life, whether it's SOT or heavy usage, or background drain. Now I know that with Samsung phones you need at least 1 week for the phone to learn your habbits and make adjustments, however the difference in SOT and standby drain between my N20U and P30 Pro is too large, even considering the lack of usage learning.
For example, if I use my P30 Pro for an hour to take pictures, browse the web, and listen to some music through bluetooth, it will use around 5%. With my N20U, I'll leave the house with 100%, NOT use the phone at all, have a quick 30 minute lunch, and look at the phone and it will also have lost 5%. SOT is at least for me pretty bad also. Yesterday I left the house at 6:30pm, took some pics (around 20-30), did some light browsing, and when I got back home at around 10pm, my phone was at 25%. I slept at 3am, then woke up at 9:30am, and my phone was at 14%. So yeah... it seems to not be that good

I've seen random concerns about this on youtube. Thank you for sharing. Please continue to update us with more data.

My review unit averages around 4-4.5 hrs screen on time with 13-16hrs average total standby time.
Will post screenshots tomorrow after review embargo period lifted.
Exynos n20u

gts24 said:
I've seen random concerns about this on youtube. Thank you for sharing. Please continue to update us with more data.
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Most of those reviews are with 120 Hz on all day, with pre release sw, 120 Hz eats through the battery of the S20 Ultra as well with heavy use

First full day of usage all under wifi texting, web browsing few calls

mike28 said:
First full day of usage all under wifi texting, web browsing few calls
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Exynos or snapdragon?

michelino159 said:
Exynos or snapdragon?
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Unlocked snapdragon 128gb

mike28 said:
Unlocked snapdragon 128gb
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60 or 120Hz?
---------- Post added at 03:57 AM ---------- Previous post was at 03:53 AM ----------
Then it's very, very good on snapdragon. On exynos it's halfway.

michelino159 said:
60 or 120Hz?
---------- Post added at 03:57 AM ---------- Previous post was at 03:53 AM ----------
Then it's very, very good on snapdragon. On exynos it's halfway.
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120hz always ??

Hi,
Note 20 Ultra Exynos version 512Go and 2h30 of SoT on Youtube/wifi, 1h web browsing, 120Hz adaptative and 75% left.
It's seem to be good.

I am not able to understand the Exynos battery life. Some ppl are getting decent SOT and for others, its just terrible. Even many of the reviews which I have watched are similar. Really getting confused here and unable to make a decision.

Have anyone test benchmark on Ultra Note 20 RAM8GB Exynos990?
Sent from my iPhone using Tapatalk

I got 9 hours and 10 minutes of screen on time on my first full charge. Not too bad for only having a 4500mah battery. I have the unlocked US Snapdragon version and I'm using 120hz and leaving it at about 70 percent brightness most of the day.

mike28 said:
First full day of usage all under wifi texting, web browsing few calls
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Click to collapse
That also shows you put it on the charger twice to achieve almost 9 hours of screen on time.
It no longer breaks down screen time like it used to. In past Android versions, it would show SOT since last charge. Now it shows TOTAL SOT for the whole day.
I could technically leave it on the charger and play with it all day, and it would show 24 hours SOT.
---------- Post added at 10:42 AM ---------- Previous post was at 10:36 AM ----------
My battery life so far has been pretty bad. For example, it's been off the charger for two hours and I'm down to 75%. Now I've been using it fairly heavily since then with about 90 minutes of screen on time.
But with my Note 10+, I'd still have about 85% battery after using it for an hour and a half. I'm also experiencing stand by drain real bad.
This was after a fresh clean install. Nothing was restored or transferred over.
I can only assume it's the 5G (although my standby drain was while on WiFi), or the 120Hz refresh rate (which also doesn't explain the standby drain).
I'll let it settle for a few more days, then I may start fresh again with a factory reset.

ajsmsg78 said:
I got 9 hours and 10 minutes of screen on time on my first full charge. Not too bad for only having a 4500mah battery. I have the unlocked US Snapdragon version and I'm using 120hz and leaving it at about 70 percent brightness most of the day.
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Click to collapse
wow I haven't seen anyone claim this much SOT for any version before.

Cant just read screen on time on battery setting.. its not screen on time since last unplugged/charged full
Now it displays screen on time for the whole day, even if u charged during the day.
Use gsam/accubattery

Just done a rolling video test with the Note 8 and Note 20 ultra. Both on full brightness playing the same set of files.
The Note 8 display is brighter and more colourful. After 3 hours or so the Note 20 ultra has 82% left and the Note 8 has 76%
If you look at the difference in battery capacity (4500 vs 3300) and the difference in screen size then I would say the Note 8 performs better even with the brighter display.

4th day in Exynos. Phone has been on for 3 hours, 45 mins SOT consisting of browsing socials, no apps running in background 75% battery remaining ? This is terrible, can't see it getting better....

Note 20 Ultra with Exynos.
Terrible Battery life in 5 days.
I have it for 5 days and it has not reached the end of the day in any case.
100% at 8:30 am and 5% at 7:00 pm.
Without playing, just text on Telegram, browsing with Chrome and 30-40 minutes on YouTube.
Little more than 3 hours of screen.
I have removed Bixby, 3 widgets, I have disabled the mobile line that I had in the esim (I have only left the microsim). I have disabled 5G and left only until 4G.
And I have gotten a little more battery, but it does not reach almost 4 hours of screen.
I repeat. Without playing games, without taking photos, without taking videos.
Very disappointing.
And let's not talk about paying the same price as in other countries with SnapDragon for its Exynos, which is more than proven to be a much worse processor.
In their own country (South Korea) they use SnapDragon. That is, they do not offer their own processor to their own country. That is how little confidence they have in Exynos. Of course, the rest of the world (not counting the United States) endorse us what they do not want even in their own country.

Related

Screen on time

It's amazing how much we actually use our phones in a given day, especially when we watch "videos"! Rate this thread to express how many hours of screen-on time you can get on the LG V10 before depleting the battery.
Then, drop a comment if you have anything to add!
I'll leave this here..
Edit. Auto brightness under Florida Sun. Facebook, ebay and reading posting on xda.
Details: Not rooted, bootloader locked, wifi off, sync auto on, 2nd screen stock, location on, LTE on T-mobile, vibration strength stick, vibration with sound, vibration type rapid, vibrate on tap, sound effects dialpad sounds rest off, wifi calling on
Brightness set at 20%, no Auto brightness, 2nd screen on the whole time, Verizon 4G LTE the entire time (no wifi)
Screen on time is a failed meter for battery life.. I can run navigation on all day and have the screen off. I will show less screen time no matter what.. Same goes if you're listening to music while the screen sleeps.. Anyway the avg Lg phone with this battery gets you about 2.5-4.5 hrs of screen time depending on your usage. Same as G3 and 4.. Lg has excellent standby time, but horrible screen time. If you actually use your phone, these will be your results.. I go into different lighting every few minutes so I have to adjust my brightness. No way you can keep it on one setting all day unless you're not going anywhere..ever..
Comparison video Note 5 vs LG V10 vs. Nexus 6P SOT Battery Test!
Swizzle82 said:
Screen on time is a failed meter for battery life.. I can run navigation on all day and have the screen off. I will show less screen time no matter what.. Same goes if you're listening to music while the screen sleeps.. Anyway the avg Lg phone with this battery gets you about 2.5-4.5 hrs of screen time depending on your usage. Same as G3 and 4.. Lg has excellent standby time, but horrible screen time. If you actually use your phone, these will be your results.. I go into different lighting every few minutes so I have to adjust my brightness. No way you can keep it on one setting all day unless you're not going anywhere..ever..
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thats my analysis. I thought going from the g3 to LG v10 would give that galaxy note 5 or s6 edge life...nope. still averaging about 2.5 to 3.5 total use is around 7-9.
---------- Post added at 12:20 AM ---------- Previous post was at 12:18 AM ----------
clockcycle said:
Comparison video Note 5 vs LG V10 vs. Nexus 6P SOT Battery Test!
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i saw that vid and most review sites state the same
Stock no root
BeameD From My LG V10... The one with the ALWAYS ON SCREEN... Watching me.. ?
I am getting around 5 hours of sot time.
5h 48min sot with 15h30 overall on the battery...beast!!!!
do you have GPS, Auto-Sync, Location on or off, and the second screen. That would help us determine what's best
---------- Post added at 07:35 PM ---------- Previous post was at 07:33 PM ----------
I'm getting 3.25 to 4.0 SOT with about 10-11hrs battery usage. GPS off, Screen on auto, location off, sync off and I turn sync on once a hour. I'm rooted
:silly:
I forgot to screenshot it but I got 20hrs +3hrs SOT bluetooth,location,sync and autobrightness on yesterday. VERY impressed coming from the Note 4, was rooted and bloat free.
Stock barely 3 days old
Results seem good, at least matching the Note 5's. But honestly the G2 still smokes all of these results. I got 19h of use with 1h45m of SOT yesterday... and 74% remaining. Not even kidding. And not even rooted, 5.0.2 stock.
3 hours SOT
I have BT on, wifi on, location on and auto brightness on. Volte is off. I have 2 sim cards installed. My phone is not rooted.
I will get about 3 hours SOT and about 15 hours battery life per day.
I needed to install Greenify to get these results. Before Greenify I was barely getting 8 hours, which was a little depressing.
I do carry a spare battery though, but I would expect a little more than 8 hours from a 3000mah battery.
Right now battery life is mostly on par with my previous Note4. I didn't use need to use Greenify on the Note4 though. I had the same features turned on with the N4 as I have with the V10.
I feel that the N4 had better standby time. Perhaps the 2nd screen on the LG is drawing extra power, but I actually find it useful so am happy to keep this on.
This current setup is working ok for me. I'm not frugal with the use of the phone. Firstly because I really enjoy using this phone and secondly, having a removable battery is the lightest and easiest solution for not worrying too much about running out of power. Tethering to an external power brick is most annoying.
Having said that, it's still an interesting challenge to eke the best out a smartphone battery.
I can see others here are getting 5 hours SOT out of their phones.
I suspect a lot of the features I have turned on have reduced my SOT, but if some of you have a similar setup to mine and have better SOT I would love to know of other useful tweaks that I could try.
5-6 hours, depending on what I'm doing. Unfortunately I treat it like it has a big battery, and usually by the end of the day I'm getting pretty low.
I'm glad that it comes with such a fast charger, and I'm looking forward to getting my spare battery.
I'm lucky to get 3 hours off a full charge.
More than 5 hours all day everyday
nazrin313 said:
More than 5 hours all day everyday
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Show us your average. Also what apps are running. You can stare at a single page or photo all day and get 5hrs SOT everyday anyday
Sent from my LG-H815 using Tapatalk
full spec
you could refer to the full spec of v10 on phonearena

Screen on time

It's amazing how much we actually use our phones in a given day, especially when we watch "videos"! Rate this thread to express how many hours of screen-on time you can get on the LG V20 before depleting the battery.
Then, drop a comment if you have anything to add!
I am getting about 6hrs of sot will post pic later
Sot im getting right now
I dont know about you guys but im getting outstanding battery life. I'm going to do a test later today. Im going to charge my phone upto 100 (after it reaches 0 today) and then when 5 minutes after it says is 100, i will unplug it and i will put a 1440p video that last more than 8 hours and see how long it last with full brightness and wifi on. Then im going to post Very specific details about how everything went. Oh , aslo it will have speaker at its maximum
oh and just have in mind, i have 35 user apps installed, and some of them constantly sync (so it means more battery consumption)
Just over 3hrs. I dont think my phone has started optimizing apps or putting them in Doze.
My sot had been nothing short of spectacular.. I'm getting 5hr average... nexus 6 would barely reach 3... my g4 not even 3 also..I always wondered how people were getting above 4hrs.. Ive gotten 6+.....I jus miss stock Android
I get 4 hours with medium usage and leave everything on. Wifi, BT etc. Brightness is on Auto but it shows at 50% to 70% most of the time at work. It's my bright office...LOL
BlackKnight23 said:
Just over 3hrs. I dont think my phone has started optimizing apps or putting them in Doze.
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Same as I got yesterday... I don't do anything to try and extend battery life though (brightness always on auto, and I usually turn it up a little bit). Today will be my 2nd full day with the phone, and after 2 hours off the charger I had 99% left (only 5 minutes screen on time), but then I used the phone for about 15 minutes and it dropped quick to 94%)... Time shall tell, hopefully it is till just optimizing like you said...
I'm on my 2nd charge and like you guys above, I'm getting abysmal battery life.
I'll give the phone another week or so to optimise, and if it doesn't - it'll be sent back to T-Mobile with a piss poor rating in terms of battery life. What a shame if that's the case..
2 hr 17 minutes screen on time. 68% left, second screen turned on while sleep. Loving it! Restored all my app backup from Google, so its not a plain phone.
This is after my first full charge it's only gonna get better as I rarely install new apps.
Auto brightness at times, manual on others, as the brightness of this phone doesnt compare at all to my note 4.
Sent from my LG-H990 using Tapatalk
First full day at work with the phone, and actually pretty light usage day and gotta say the battery is a bit of a let down so far. My shorter days at work over the weekend gave me some concerns, but today I'm at 2% left with 13h 28m standby and 2h 17m screen time. No calls, no videos. Maybe a dozen messages, web browsing, 20mins of spotify for commute. Frankly it "feels" like it lasts the same as my 2 year old m8.
10hours 45Minutes
I don't have a sim in mine so all my use is just on Wi-Fi. Indoor use with 30-40% brightness, 49 apps and services disabled. The day after this I did 1080p 60fps video streaming while plugged into my Bose speakers using the Hi-Fi DAC for a little over 5Hours and got about 6.5Hours total SOT. But so far 10hours 45 minutes is my record. Another time I did get right at 10 hours so it wasn't a fluke.
I'm not activating mine either so that's pretty sweet.
ars_92 said:
Auto brightness at times, manual on others, as the brightness of this phone doesn't compare at all to my note 4.
Sent from my LG-H990 using Tapatalk
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I concur as well. I'm also coming from a Note 4 and the V20 is definitely brighter at 100%.
mathiest said:
Sot im getting right now
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Hey, can you share any settings you may have altered to receive such SoT. I'll be lucky if I get 4. I used to get 6-7 hours on the Note 7 I had.
Yeah the battery life sucks, and I like everything else about the phone except ****ty LED screen (I know why they didn't use AMOLED, not cost, but because with no physical home button, the buttons would burn images in AMOLED, LED won't). In any case the true test of a battery is Pokemongo at 100% brightness (which you need with this screen at all times to look half way decent). Note 7 5 hrs, Note 4 4 hours, V20 3 hours, all at 100% and same resolution/settings. So yeah, the battery life sucks, end of discussion. And my phone is a week old, no bloat and settled. Another quirk is sometimes Antutu gets 147k excellent score and sometimes it gets half that, for no reason at all, as well as 3dMark being horrible as well for some reason, half of what it should be.
This is my third LG phone (Had the V10 and G5 before), and the battery performance appears very strong on this. On my first full, non-setup charge, and using my normal work activities (lots of emails, texts, calls, and periodic social media), here's what I got
Total time on battery: 54 hrs 52 min
Total call time: 3hrs 2 min
Total SOT 2hrs 44min
That's great life a regular business user. Also, the screen is way brighter than the V10 and G5.
I've been getting phenomenal standby time on this phone, thanks to the new and improved Doze, better than any other phone I've ever had actually. I'm just not getting great SOT, like many others out there and I can't figure out why. I've had the phone for about a week now and all of the apps should've been optimized by now, I think. Anyone else having similar issues?
Sent from my LG-H918 using XDA-Developers mobile app
Dmarco, a factory reset could be the solution
Guys it is simple. It is the same Snapdragon 820 in about 10 other devices with similiar battery sizes. But the V20 will get A LOT less screen on time, my estimation is 25-50% less depending on how bright the screen is. I need the screen at 100% and low comfort blue filter to make the screen even kinda decent, like a Samsung at 70% brightness. Anyways the LCD screen on the V20 eats A LOT of battery power, it can't compete with an AMOLED. That said, the only benefit is that in 2 years your screen won't have any burn in and be worthless.

Post your battery life

I'll update the OP once I got my first battery stats.
Here is the first charge. Regular S9 what do you guys think? Mixed use between data and WiFi
I hope we are not getting screwed compared to the plus model. We will have to see and wait
Solid
Sent from my SM-G965F using Tapatalk
(Copied from another thread) S9 Exynos here.
Second full day (after a half day when I got it) and it's been pretty horrible. I expected it to be average or not great for the first couple days, but this is nuts.
I've got everything on - location, sync, AOD, Bixby, etc - and am losing about 5% per hour with the screen off. Ending the day on 15% with only an hour or two of SOT.
Will be keeping a spreadsheet log of it, including what services are on and how I've used it, so will report back. Hope it improves naturally with everything on though. Reception is also surprisingly average; in the bathroom at work my Pixel 1 had decent enough reception to load videos, but my S9 seems to struggle to even load images. Pixel 1 had 3G in an underground pub, but my S9 couldn't get any data at all.
First full day (Snapdragon)
Haven't actually charged to 100% (except the first charge) and recorded stats. I'll have to do that and see.
But the first night after setting up my phone, during 8 hours of non-use, my battery level only dropped 4%. The next night, with AOD on, it dropped only 11% during 8 hours. Pretty happy with standby battery performance.

			
				
Exynos
Is there already a mod that improves the battery life?
Exynos version
-juanito- said:
Solid
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How are u getting battery life that good. I'm bearly getting 3-4 SOT on my exynos model but half the day I'm off WiFi.
3bs11 said:
How are u getting battery life that good. I'm bearly getting 3-4 SOT on my exynos model but half the day I'm off WiFi.
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Click to collapse
My only suggestion is to make sure you have the display auto-adjust and to make sure nothing is running explicitly in the background all day.
Turn off Wi-fi, Bluetooth, NFC when you aren't using them.
2days turn on time with 5hrs SoT!!
Awesome.
You guys are posting some pretty decent numbers, considering all the negative coverage. 6hrs of SOT is pretty respectable and with my usage patterns it will last more than a day
Exynos S9
Used for 1 week
Disabled Bixby, Facebook
WQHD
Power saving mode off
AOD off
Max SOT 3.5 hours
3 times factory reset still no luck
Should I send my phone back to SAMSUNG for replacement?

battery life

have been using Rog 3 about a month and noticed that the battery is not that great especially if we consider it is a 6000mha, at least in my device
thought i would share some screenshot to my battery and hear your opinions if you think it is OK or there is something wrong
What did you expect? Your battery life is pretty normal for a 6000mah battery device. Not piss poor. Not great. Just normal. Were you expecting 3 days standby time with normal usage?
I might see it wrongly but the first pic is showing the phone is up 1 day 9hrs without charging, that's more than what I would asked for.
rolandliu said:
I might see it wrongly but the first pic is showing the phone is up 1 day 9hrs without charging, that's more than what I would asked for.
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Click to collapse
That is with 1 hour of gaming, 5 hours of music, 3 hours of voice calls. Nearly 2 days without charging.
My device a tencent version converted and rooted at 60hz and the brightness at it lowest level and the phone heats up like hell and the battery life sucks , 3 hours of gaming feom 100 to 0% im on the oetest fw .58
bouyhy01 said:
My device a tencent version converted and rooted at 60hz and the brightness at it lowest level and the phone heats up like hell and the battery life sucks , 3 hours of gaming feom 100 to 0% im on the oetest fw .58
Click to expand...
Click to collapse
Something is wrong with your set. Please get a refund from the seller. Even by playing PUBG or COD in X-Mode at max brightness does not drain from 100% to 0% in 3 hours.
lornranger said:
Something is wrong with your set. Please get a refund from the seller. Even by playing PUBG or COD in X-Mode at max brightness does not drain from 100% to 0% in 3 hours.
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After reset i got this playing pubg at 90fps
lornranger said:
What did you expect? Your battery life is pretty normal for a 6000mah battery device. Not piss poor. Not great. Just normal. Were you expecting 3 days standby time with normal usage?
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Click to collapse
am not expecting getting 3 days but the performance of my device is not that impressivees , comparing with my other phone which has 4300 mah iget the same battery performance or even little more
rolandliu said:
I might see it wrongly but the first pic is showing the phone is up 1 day 9hrs without charging, that's more than what I would asked for.
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Click to collapse
every new phone today can last this period, it was not that heavy using
bouyhy01 said:
After reset i got this playing pubg at 90fps
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i lose 2% from 100 to 98 direct after 5 or 10 minutes when the phone is fully charged without even using the phone at all
gonna try this app my the default battery app is not accurate
New phones have 5000-6000 mah with either Snapdragon 700 series or mediatech . This processor uses it pretty well giving 10-11 hours sot to me
Adi02122002 said:
New phones have 5000-6000 mah with either Snapdragon 700 series or mediatech . This processor uses it pretty well giving 10-11 hours sot to me
Click to expand...
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have P30 Pro which has 4300 mah and get about the same battery performance
EQLM said:
have P30 Pro which has 4300 mah and get about the same battery performance
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Click to collapse
Can't compare a 60hz screen with a phone giving 144hz screen. The drain of the screen will be much heavier than 60hz.
The 6000 mah battery is really good when you compare from specs point of view. Higher CPU clock speed, higher GPU clock and higher screen refresh rate and faster and more RAM. A Ferrari will use much more gas than a standard car even your Ferrari have a bigger gaz tank.
I can use this phone without ever think about getting out of juice before I get to sleep.
In the last 7 hours I used my phone for 4h20, playing game during 2 hours (COD and PUBG) and 50% of the battery remaining. So if I keep using the phone that way it means that I could run out of battery with about 8h SoT and 4 hours of gaming. I never had a phone allowing me to play that many hours of high quality games with all graphics to max.
---------- Post added at 02:13 PM ---------- Previous post was at 02:03 PM ----------
EQLM said:
i lose 2% from 100 to 98 direct after 5 or 10 minutes when the phone is fully charged without even using the phone at all
gonna try this app my the default battery app is not accurate
Click to expand...
Click to collapse
Yes, I don't know a phone that gives you the perfect battery calibration. This phone show a loss of battery really fast in the first 10% then afterward it is slower.
I remember my Sony Z Ultra was really slow to lose the first 10% then battery was dropping really fast until reaching 20 25. And the remaining battery was longer to be used than the 60 previous %.
Or my HTC Sensation XE that could be used about half a day to drop from 5% to 0.

Question Battery life not lasting a day....

So I bought the new S21 Ultra on the pre order the day it was announced. I was one of the lucky ones to get early so I could leave a review.
Coming from a Note 10+ that I had for a year and a half, I was really excited for the S21 Ultra, but was really disappointed with the battery life. I've had the phone for 5 days now and since the very beginning I've not been able to use the phone for the whole day on a single charge. It's been giving me screen on times comparable to my Note 10+ (4/5 hours) which is a much older device, but I thought maybe this was the way all S21 ultra's were behaving, just not very good battery life.
BUT, yesterday all the youtubers started to publish they're videos comparing batteries with older S devices and Iphones and their S21s were doing amazing, giving them screen on times of up to 13 hours!
I contacted support but they said this would be normal as my phone was still learning user patterns... but I'm not sure if that would affect it as bad as it is at the moment.
Also, I installed accubattery which is not 100% reliable but compared it to my note 10+ and it seems that battery health is even lower that my Note (95%)! Which I've had for a year and a half!!!
What do you guys think? Should I send the phone back? I'm really concerned that I just spent all this money on a new phone for it to be so bad with battery.
Try disabling all power management.
In Developer options>standby apps all buckets should show as active otherwise power management is running.
Google Play Services, Backup Transport and Framework are known hogs.
Disable all the bloatware, turn off auto sync for gmail, turn off all feedback.
You'll need to sort it out and optimize it. Took me months to get my 10+ sorted out. Fortunately it's running on Pie so I had more diagnostic options.
Returning is a thought as 5G may have been poorly implemented and another source of power drain. I think everything after the 10+ 4G both hardware and OS are train wrecks... I see very little incentive to "upgrade".
Maybe post screenshots that aren't below 5 kilobytes. Lol. I'm guessing you have an Exynos variant?
daribeiro said:
So I bought the new S21 Ultra on the pre order the day it was announced. I was one of the lucky ones to get early so I could leave a review.
Coming from a Note 10+ that I had for a year and a half, I was really excited for the S21 Ultra, but was really disappointed with the battery life. I've had the phone for 5 days now and since the very beginning I've not been able to use the phone for the whole day on a single charge. It's been giving me screen on times comparable to my Note 10+ (4/5 hours) which is a much older device, but I thought maybe this was the way all S21 ultra's were behaving, just not very good battery life.
BUT, yesterday all the youtubers started to publish they're videos comparing batteries with older S devices and Iphones and their S21s were doing amazing, giving them screen on times of up to 13 hours!
I contacted support but they said this would be normal as my phone was still learning user patterns... but I'm not sure if that would affect it as bad as it is at the moment.
Also, I installed accubattery which is not 100% reliable but compared it to my note 10+ and it seems that battery health is even lower that my Note (95%)! Which I've had for a year and a half!!!
What do you guys think? Should I send the phone back? I'm really concerned that I just spent all this money on a new phone for it to be so bad with battery.
Click to expand...
Click to collapse
It's too early to judge the battery life, also accu battery app is not good at all, it's not accurate as your own phone's batterymeter.
Also, you need a week or so to make sure the phone get optimised according to your usage.
Does your phone have Exynos 2100 or Snapdragon 888?
Sharpshooterrr said:
Maybe post screenshots that aren't below 5 kilobytes. Lol. I'm guessing you have an Exynos variant?
Click to expand...
Click to collapse
Sorry about that ahaha changed it now
nightoo said:
It's too early to judge the battery life, also accu battery app is not good at all, it's not accurate as your own phone's batterymeter.
Also, you need a week or so to make sure the phone get optimised according to your usage.
Does your phone have Exynos 2100 or Snapdragon 888?
Click to expand...
Click to collapse
Mine has the Exynos 2100. I was just going off from videos like Mrwhosetheboss. He got 8 hours of screen on time. And he probably tested it when he got the phone no? And I'm litteraly getting half of that... and not even pushing my phone to the limit like he did on his video. I mainly use social media apps and YouTube.
I suggest doing a factory reset before you think about sending the phone back. Also, initially, be careful about what aps you install - try going with a minimal number of aps so you can get an idea of how the battery does when there are no aps that might pull from the battery - after a few days, add all of the aps you have been using (while avoiding any that might be a battery drain) and try for a few more days to see if you are seeing improved battery life. Good luck - hope it all works out for you.
Geekser said:
I suggest doing a factory reset before you think about sending the phone back. Also, initially, be careful about what aps you install - try going with a minimal number of aps so you can get an idea of how the battery does when there are no aps that might pull from the battery - after a few days, add all of the aps you have been using (while avoiding any that might be a battery drain) and try for a few more days to see if you are seeing improved battery life. Good luck - hope it all works out for you.
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Click to collapse
Reloads -never- find the root cause and many times even if the problem is "fixed" it eventually returns.
Exceptions; old loads, software induced bootloops, viruses, and major firmware updates.
Expect issues with the 5G devices from poor hardware implementation. No fix for this.
I am on the first charge, but the battery life is so far pathetic. Omg! And everyone on youtube praise it... Down to 85% in 2 and a half hours and 50 minutes of SOT. Shame...
leoking3 said:
I am on the first charge, but the battery life is so far pathetic. Omg! And everyone on youtube praise it... Down to 85% in 2 and a half hours and 50 minutes of SOT. Shame...
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How much with screen off is it sucking down?
If more than 1% @ hr with AOD on it's probably Google and cloud crap running in the background.
You can optimize it to improve performance.
It's easier to do this with Pie though; Q and 11 take away critical tools and use scoped storage which wastes cpu cycles.
Get Karma Firewall and a package disabler like this one;
Home - Package Disabler
The only NON-root solution that let’s you disable any unwanted packages that come pre-installed / installed with your phone / tablet.
www.packagedisabler.com
Regardless of the model or OS version most carrier phones will need to be optimized for good battery life and optimum performance.
My 10+ was a hot running bandwidth hungry hog until I toned it down. Today it's hard to believe it's that same machine.
You are right, I agree with all you said. It is kinda sad though, as for instance, my ex Asus Zenfone 7 Pro had an absolutely mindblowing battery life, without any tweaks. I just used it. With all the hype around the S21 Ultra, I believed it again. The only Samsung I used with good battery life was S20 FE 5G.
Will give it a go with what you say though, thanks.
daribeiro said:
Mine has the Exynos 2100. I was just going off from videos like Mrwhosetheboss. He got 8 hours of screen on time. And he probably tested it when he got the phone no? And I'm litteraly getting half of that... and not even pushing my phone to the limit like he did on his video. I mainly use social media apps and YouTube.
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Click to collapse
Well, i believe what you are saying about battery life, but what i have seen so far is promising, i mean when S21 Ultra with Exynos 2100 beats iphone 11 Pro Max and 12 Pro Max, i guess that's a good sign!! But for sure, we use our phones in different way than each others because maybe you use it with 4G/5G enabled almost all the time while these tests are just using Wifi and maybe without any SIM card which means the battery consumption will be minimum at this part.
I have S20 Ultra with Snapdragon 865, i get like an average of 6 hours SoT and if S21 Ultra Exynos gives me the same SoT, i'll be happy!!
SOT is not everything...we travel, we move, you cant accept a phone that gives you 12 hours of standby in total. This is bs and useless, you cant rely on such a phone.
leoking3 said:
You are right, I agree with all you said. It is kinda sad though, as for instance, my ex Asus Zenfone 7 Pro had an absolutely mindblowing battery life, without any tweaks. I just used it. With all the hype around the S21 Ultra, I believed it again. The only Samsung I used with good battery life was S20 FE 5G.
Will give it a go with what you say though, thanks.
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Click to collapse
My AT&T 10+ was not real bad (or good) the first few days. After enabling power management it went to hell.
Eventually I disabled all power management and one by one tracked down the hogs.
Because of dependencies simply disabling and/or turning off say Google Transport and Google Framework isn't enough, firewall blocking Google Play Services* then clearing data on all 3 periodically finally stopped this hog dead in its tracks. These will run in the background when the screen is off stealing power for nothing. Sometimes the Google apks are misreported as other Google apks presumably because of the interlinking dependencies.
Try using Galaxy Labs Battery Tracker.
Developer options>running apks/cache can also yield clues. With an unrooted phone there's some serious game playing to track this garbage down.
Anything app that's cloud or carrier is bad... lol.
Disable all feedback and syncing except for texting; manually sync gmail.
*needs to be unblocked occasionally for gmail to download and for Playstore (another apk you should disable/firewall block when not using).
Try disabling 5G if you are not using it, for some ppl SmartThings drain a lot of battery but you should see that app in log. Can't wait to get mine, also E2100 and coming from Note 8. Was rly looking to have a 2 day phone.
mankvl said:
Try disabling 5G if you are not using it, for some ppl SmartThings drain a lot of battery but you should see that app in log. Can't wait to get mine, also E2100 and coming from Note 8. Was rly looking to have a 2 day phone.
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That's a thought that's worth a try.
From what I've read even disabling 5G doesn't completely stop it's parasitic battery drain.
Maybe the latest generation chipsets are better but early 5G was poorly implemented giving a marginal speed increase on most phones of 20% when available.
Is this on the snapdragon or exynos variant?
leoking3 said:
I am on the first charge, but the battery life is so far pathetic. Omg! And everyone on youtube praise it... Down to 85% in 2 and a half hours and 50 minutes of SOT. Shame...
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Click to collapse
So, 15% drain in 2.5 hours with nearly an hour of SOT. 15% is about 1/7 as a fraction. Now, 7 * 50 / 60 = 5.83 hours of SOT and 2.5 * 7 = 17.5 hours total. My Note 10+ (S20 Ultra on order!) doesn't do any better and NEVER did. If I use my phone for 6 hours a day (of SOT) it's pretty much done for.
I think people are being way too picky these days - just complaining to complain. If you really want I'm sure you can tune your phone so it gets 3 days on the battery. It'll suck and not do much of anything but, sure, you can do it. I've got a smartwatch and the same thing applies. I can tune it so it works for two weeks on the battery or I can actually use the thing and get 2-3 days. I choose 2-3 days and have stuff I want to use. I'd rather my phone be reactive and tell me when I've got emails, etc than to get super long battery life and basically have an inert brick in my pocket. I have a cellphone so I can use it for stuff. If that makes the battery not last long, oh well. If it can get 5-7 hours of screen time while also lasting through the day, great.
My 10+ draws roughly 1%@hr* with AOD on.
SOT draw varies between 9-12%@hr
Roughly 10%@hr watching vids on Samsung internet with surfing on Brave being the highest usage.
I consider it fairly optimized at this point.
*4300 mAh battery with little degradation.
No 5G running on Pie so not scoped storage either.
Figures are from a charge range of between roughly 40-65% as I rarely charged beyond 70% or discharge deeper than 30%.
Actual usage be more if I had started at 100% because of the power density difference through the power range ie 1% at 20 is far less watts than 1% at 100%.
A/V=watts. Less voltage means less overall mAh per % plus the additional losses due to voltage stepup power conversionas you dip towards 30% The closer to 100%, the higher the voltage with more available mAhs per battery% as well as less stepup voltage power converter losses.
A phone's wattage and V+'are constant so as the battery voltage decreases it draws more current ie mAhs.
Collin80 said:
So, 15% drain in 2.5 hours with nearly an hour of SOT. 15% is about 1/7 as a fraction. Now, 7 * 50 / 60 = 5.83 hours of SOT and 2.5 * 7 = 17.5 hours total. My Note 10+ (S20 Ultra on order!) doesn't do any better and NEVER did. If I use my phone for 6 hours a day (of SOT) it's pretty much done for.
I think people are being way too picky these days - just complaining to complain. If you really want I'm sure you can tune your phone so it gets 3 days on the battery. It'll suck and not do much of anything but, sure, you can do it. I've got a smartwatch and the same thing applies. I can tune it so it works for two weeks on the battery or I can actually use the thing and get 2-3 days. I choose 2-3 days and have stuff I want to use. I'd rather my phone be reactive and tell me when I've got emails, etc than to get super long battery life and basically have an inert brick in my pocket. I have a cellphone so I can use it for stuff. If that makes the battery not last long, oh well. If it can get 5-7 hours of screen time while also lasting through the day, great.
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You are also right, but , when you used something that does both keeping you up to date, and having a brilliant battery life, then it becomes disappointing when you change it for one that doesnt.

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