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Note8 battery dead out of the box

Guys, I just receive my Note8, and found battery completely dead out of the box, I never see this before.
However first day of use 15 hour with 4.5 SOT, Please advice.
Thanks

MATR_6633 said:
Guys, I just receive my Note8, and found battery completely dead out of the box, I never see this before.
However first day of use 15 hour with 4.5 SOT, Please advice.
Thanks
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Advise on what?
Sent from my SM-N950U1 using Tapatalk

Since they test these batteries extensively I wouldn't be surprised if yours was accidentally left on. If you are truly worried and have a Samsung Experience store near by I would take it in and they can run a full diagnostics on it.

GallardosEggrollShop said:
Since they test these batteries extensively I wouldn't be surprised if yours was accidentally left on. If you are truly worried and have a Samsung Experience store near by I would take it in and they can run a full diagnostics on it.
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Maybe it just fell below the threshold for the battery, a long charge maybe all it needs.

Samsung store says that this is pretty normal and could happen, but a search for a similar problem in google, I found many reply suspect a battery problem if recieved dead out of the box.

I had a friend on some carrier I can't remember who note was dead also. I was surprised. But there was a SIM card already in it.

Ok, before the end of 14 days period, what's your recommendations to ensure that the battery is normal and does not suffer from abnormal self draining or other faults.

In mass production there's a chance not every phone is charged after testing. If you charged it and wi road fine. Ttbe the battery is fine
Sent from my SM-N950U1 using Tapatalk

MATR_6633 said:
Ok, before the end of 14 days period, what's your recommendations to ensure that the battery is normal and does not suffer from abnormal self draining or other faults.
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Use it and see whay the battery life is for you.

4.5 SOT and 15 hrs is pretty typical. You're fine.

If you have access to a Samsung Experience store, take it in and have them test the phone. That'll let you know if there's anything wrong with it.

The second charge give me 1 day usage and SOT 5h 40m, at night battery drain is 1% every hour, I think the battery is normal, Thanks for your support.

A little battery problem?

Hi there guys, I know everybody hates these kind of questions, but... do you have battery life problems on this thing? I got it 3 days ago and the battery life is much worse than my old S8+
I am a heavy user but the battery is draining even on idle. I do not use always-on display or location services, and there are no rogue apps... but it simply drains. According to reviews everywhere it should last as long as in a P20 Pro, but actually it lasts half of that.
Model: SM-N960F

reboot it a few times in the next few days

bober10113 said:
reboot it a few times in the next few days
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It seems like this is doing the trick. It lasts longer step by step.
Thanksss man!

Battery Degrading?

Hi, Lately I've noticed my battery draining very fast. Like 50% in 4 hours. So I installed accubattery to further see why. After a while it states my battery capacity has dropped to 80%. I've been experiencing miserable battery backup ever since. Do I need to change my battery?

When did u buy it and how often do you charge it?
Sent from my ONEPLUS A3003 using Tapatalk

Hi, I am also experiencing bad battery life, I'm on OOS 5.0.6 without root (stock kernel). Last month I was still on Nougat OOS and battery was fine, so I would go ahead and guess oreo is eating a lot of battery, also you can try and switch to 2G network, I was on 4G and mobile signal was not good and drain was higher then when I switched to 2G.
See pictures for info
I tried oneplus page "repair phone" so they change my battery but no answer from them (send the request on 19.11.2018.)

I'm in the same boat. Bought mine somewhere in the first months of last year (January maybe?) and based on 35 charging sessions my battery is now on 79% of the original charge (2701 of 3400 mAh). I'm thinking of sending it to repair service and pay to get it replaced because the battery life is noticeably worse even with the NLOS ROM and MicroG.

My 3T will be 2 years old next month. I was facing serious battery issues so after searching a lot, I installed Accubattery and let it analyse my battery usage for a few days. I found out my battery had been degraded to around 77%( no wonder I had to charge my phone ATLEAST 3 to 4 times for a 24-hour endurance, iwas on stock oxygen oreo with franco kernel).
THis july, i got my battery replaced(June END for Rs800 INR) and now i am on OOS NOUGAT(way more BATTERY FRIENDLY and throttles less compared to crappy unoptimised OOS OREO we got).
Battery was fine and lasted more than i needed for PUBG MOBILE. but within a few months, BUT only after 5 months battery quality has degraded to 82% again!!!!
PS:1st image is before getting new battery.
2nd IMAGE: New Battery(June 26 2018)
3rd image: Present (November 23 2018)

I bought my 3T in December 2016, lately I have been noticing a lot of battery drain (everything stock and latest OOS). I have to charge my phone at least 2-3 times a day. However, I have been streaming a lot of video (chromecast) and audio (bt earphones) so I am guessing that could be the culprit. Netflix on chromecast is especially hell for battery life.

fluster84 said:
I bought my 3T in December 2016, lately I have been noticing a lot of battery drain (everything stock and latest OOS). I have to charge my phone at least 2-3 times a day. However, I have been streaming a lot of video (chromecast) and audio (bt earphones) so I am guessing that could be the culprit. Netflix on chromecast is especially hell for battery life.
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Get your battery replaced from original service center

I would take the battery health % with a grain of salt. Batteries hardly every have their advertised full capacity, even straight from the factory. I remember a thread from a while back (older devices - it's been a few years) where an XDA'er tested multiple batteries (factory condition) from various OEM manufacturers, as well as reputable 3rd party batteries. Hardly any met the advertised capacity. Something like 80-95% is about as good as you can expect. Maybe folks on here have some more device specific, and/or more recent data. And obviously, if you took the readings when the phone was new; you'd have a good start point. But the reading now doesn't mean a whole lot. Could have only been 80-90% to begin with. And replacing the battery may be a waste of money and effort.

RASTAVIPER said:
When did u buy it and how often do you charge it?
Sent from my ONEPLUS A3003 using Tapatalk
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I bought it april 2017, So That's 20 months now. Usually I charge to full every morning and some at nights depending on my usage. Untill 2 Weeks ago I charged every 6 or 8 hours (while I had the battery drain, happened for about 2 Weeks ) . Last week i moved from open beta to stable and wiped everything. While it's not as critical as before, Phone holds charge Better when screen is off but I still have worse screen on times. Now I don't charge above 90%.

JGA3103 said:
I bought it april 2017, So That's 20 months now. Usually I charge to full every morning and some at nights depending on my usage. Untill 2 Weeks ago I charged every 6 or 8 hours (while I had the battery drain, happened for about 2 Weeks ) . Last week i moved from open beta to stable and wiped everything. While it's not as critical as before, Phone holds charge Better when screen is off but I still have worse screen on times. Now I don't charge above 90%.
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Does this mean that you were charging the phone every time till over 85% and in general you were leaving the device plugged to charger for many hours?
If this happened for long time, then for sure the battery has been degraded.
Sent from my ONEPLUS A3003 using Tapatalk

Battery issue question

So, it's been 2 weeks since I got my p20 pro and I'm really loving it.. It's good looking, fast, the camera is awesome.
But I've one issue, well, I'm not really sure it's an issue, but here it is;
The first two days of using the phone the battery was PHENOMENAL.. With SOT of 4.5 hours with 50% of the charge still remaining (4G and GPS on, streaming videos and music.. Photographing, etc) .
But after that it took a hit.. Now I get 3 to 3.5 hours with 50% of charge (battery saving mode on) .. And I don't know what happened exactly.. Is it something I'm doing? Is my charging habit wrong? I'm charging it once a day and I wait until it gets under 10% then charging it to 100%. Is that wrong? Is it a hardware issue that requires me to replace the phone.. Is it software? I don't know.. Here are screenshots for the two cases.. Please help.. Thanks in advance

MohamedAly92 said:
So, it's been 2 weeks since I got my p20 pro and I'm really loving it.. It's good looking, fast, the camera is awesome.
But I've one issue, well, I'm not really sure it's an issue, but here it is;
The first two days of using the phone the battery was PHENOMENAL.. With SOT of 4.5 hours with 50% of the charge still remaining (4G and GPS on, streaming videos and music.. Photographing, etc) .
But after that it took a hit.. Now I get 3 to 3.5 hours with 50% of charge (battery saving mode on) .. And I don't know what happened exactly.. Is it something I'm doing? Is my charging habit wrong? I'm charging it once a day and I wait until it gets under 10% then charging it to 100%. Is that wrong? Is it a hardware issue that requires me to replace the phone.. Is it software? I don't know.. Here are screenshots for the two cases.. Please help.. Thanks in advance
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Hi!
Follow the below steps.
Phone manager>Do optimise>tap on battery icon>Optimise battery usage. And dont let any apps to run in background. Using auto start manager you can control the apps which are running in the background.
and please post the battery usage details and check which app is consuming more battery & kill the apps which are consuming more battery.
Hopefully it would help.

I was getting 7.30-8 hours sot in first 2 weeks. But now i can get 6 hours top. I heard this from a lot of people. I dont know why this is happening but probably it s about AI.
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[OneUI 2.1] How big is the battery life improvement for you?

Although to a certain extent, we even came to doubt that Samsung would update the Galaxy S9 and Note 9 devices with the OneUI 2.1, it is finally here, and it cames with Deep Sleep Apps feature, which will allow to actually suspend all services and processes associated with an app.
This has resulted in a relatively big battery life improvement when the device is on standby with S10 and S20 devices in controlled tests1.
Galaxy S9, S9+ and Note 9 are devices released more than 2 years ago, and surely the battery stamina is not the same as they were in their first months of use. Samsung stats that the batteries used on these devices should keep a decent stamina for 2 years with the average user.
Some people have used their phones with battery care measures1, in order to extend battery life.
So, with the recent release of OneUI 2.1 for Samsung Galaxy Note 9, the battery life with the device in standby is expected to be longer (but not the screen on time), although the magnitude is yet to be determined in the coming days.
This thread is aimed to share our opinions on the subject, as the update becomes available and we can evaluate the battery life.
Footnotes:
1 https://www.xda-developers.com/batteryguru-track-usage-optimize-battery-health-longevity/

IOS uses a choise in his battery settings to charge the battery up to 80 % of it's capacity and then charging will stop to improve the battery's durability.
It's known that standing in battery's 20/80% capacity increases its life and durability and doing this you can charge how many times you want because one parzial charge will not be counted as an whole cycle of charge so the battery might last more than 3 years going on like this.
This choice is not implemented in Android even with one UI 2.1 and it's a shame even if the new feature will improve battery's autonomy due to the lower consumption of the apps and even if it's impossible to perfectly be able to stay in it's 20/80 percentage range, there's an app that I found that will avert you when reaching 80 % of its charging capacity so you can disconnect the cable to preserve the battery....
https://play.google.com/store/apps/details?id=com.digibites.accubattery

joedellosso69 said:
IOS uses a choise in his battery settings to charge the battery up to 80 % of his capacity and then charging will stop to improve the battery's durability.
It's known that standing in battery's 20/80% capacity increases its life and durability and doing this you can charge how many times you want because one parzial charge will not be counted as an whole cycle of charge so the battery might last more than 3 years going on like this.
This choice is not implemented in Android even with one UI 2.1 and it's a shame even if the new feature will improve battery's autonomy due to the lower consumption of the apps and even if it's impossible to perfectly be able to stay in it's 20/80 percentage, there's an app that I found that will avert you when reaching 80 % of its charging capacity to preserve the battery....
https://play.google.com/store/apps/details?id=com.digibites.accubattery
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You're right and I keep charging between 30 and 80 but this shouldn't be how the phone charges by default as you said. Many people charge from 15 to 100 and want that extra 40-50% they'll get by doing so. I found that without fast charging it takes 1 hour from 30% to 80% so it's no big deal to look at the clock when you leave the phone on the charger.

koragg97 said:
You're right and I keep charging between 30 and 80 but this shouldn't be how the phone charges by default as you said. Many people charge from 15 to 100 and want that extra 40-50% they'll get by doing so. I found that without fast charging it takes 1 hour from 30% to 80% so it's no big deal to look at the clock when you leave the phone on the charger.
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Even your right, there are even people that continually from 0%(completely dead) goes to 100% after charging the battery for the whole night... that's why what I said for charging should be a choise (like in IOS) and not a default setting.... strange thing that Android or Samsung didn't consider implementing this choise. Fast charging even worns the battery first... it stresses the battery and it will last less but at least they gave us a choise in using it or not.

Absolutely true! Samsung should have implemented a feature to limit charge at 80%, or implement a Bixby Routine to enable this behavior (for example, when charger is plugged at night)

50% increase in my case. And i used OTA Package to update manually.
From: 4h SoT in 24h
To: 8h SoT in 24/30h
Idle times are impressive.
EDIT: just FYI, i rarely charge up to 100%. So my average case is from 85/90% to 5%. Very rarely do i go for a 100 to 0.
One UI 2.1 improvements are all courtesy of the Deep Sleep feature.
I've added everything i barely use or dont need to create wake-ups on the Deep Sleep list. On the normal sleep list, i have low priority things like Play store, etc. And i make sure i white list everything i need untouched (Messenger, WhatsApp, etc) and also do the same thing on the Memory management. Solid results.
Edit: 100% to 1%. 10h SoT with a 30h cycle. It's like getting better and better.

My tab a 2019 has the 80 percent feature and I do not understand why they wont offer the simple setting actually I do because phones they want you to replace the phone instead of the battery in 2 years. I run my note 9 from however low to 100 every night but only because I dont have the option these newer android 9 then 10 now 2.1 adding more and more apps into the firmware but wont add a simple little feature as this. Also I would like to be able to choose if I want to do ota with my data! But I cant.

For me One UI 2.0 was already worst with about 3 to 3.5 hrs of screen on time. Now with 2.1 i barely get close to 2 hrs of SoT. My note 9 is running stock since i bought it at launch and have never done any factory reset. Only thing i do is wipe the cache after a upgrade.
Sent from my SM-N960F using Tapatalk

ankydu said:
For me One UI 2.0 was already worst with about 3 to 3.5 hrs of screen on time. Now with 2.1 i barely get close to 2 hrs of SoT. My note 9 is running stock since i bought it at launch and have never done any factory reset. Only thing i do is wipe the cache after a upgrade.
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I've Snapdragon variant, running one ui 2.0. Battery life on my note 9 is phenomenal ?

ankydu said:
For me One UI 2.0 was already worst with about 3 to 3.5 hrs of screen on time. Now with 2.1 i barely get close to 2 hrs of SoT. My note 9 is running stock since i bought it at launch and have never done any factory reset. Only thing i do is wipe the cache after a upgrade.
Sent from my SM-N960F using Tapatalk
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Bro you need to factory reset and start fresh and if that doesn't help something is wrong with your battery I get 9 SOT all the time with 10 2.0 with android 9 it was about 6 SOT, I haven't received 2.1 yet. I have us unlocked version.

sethsmaxx said:
Bro you need to factory reset and start fresh and if that doesn't help something is wrong with your battery I get 9 SOT all the time with 10 2.0 with android 9 it was about 6 SOT, I haven't received 2.1 yet. I have us unlocked version.
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You have a snapdragon variant which is anyway much better than exynos variant (my phone) for battery backup.
Sent from my SM-N960F using Tapatalk

Stop saying Exynos is not good for battery life. I can easily get 8h SOT of regular usage on my SM-N960F running OneUI 2.1. Obviously I don't play games like Asphalt 9, etc but I never use power saving modes and never limit myself in order to save battery life. I play 8 Ball Pool when I want to, I watch YouTube for as long as I want to, I browse Instagram and use Samsung Internet Beta when I feel like it. Not once have I ended up in a dire need to recharge when I was outside or when I needed to use the phone. Also the phone charges 50% for 1h (I charge between 30 and 80%) so I just leave it charge while having dinner, watching TV or something like that - when I normally wouldn't use the phone anyway.

On my N9 seems battery life abit improve from previous 2.0. Sammy did great job this time.

Here is my screenshot to prove it.

It takes time to see improvement in your device's battery life after installing OneUI2.1. As the software AI needs to learn all your habits again before any improvement in battery life will occur. This process should take a few weeks