Latest G935FXXU1DQG1 firmware battery life fixed? - Samsung Galaxy S7 Edge Questions and Answers

Does anyone know if the latest Nougat G935FXXU1DQG1 firmware has fixed the poor battery life issues on the S7 Edge? I went back to the stock factory G935FXXU1APAW firmware as I found Nougat was giving me much poorer battery life. My estimated remaining time on APAW on a full charge is usually around 24 hours!
Also which official Samsung firmware offers the best battery life and performance? Am I right in thinking I already have it with the original stock factory APAW firmware? Thanks.

Samsung is focusing on s8 sales so I dont think so.

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4.4.4 vs 5.0.1 vs 5.1.1

Hello,
I am a SM-N910C user. I bought my phone and it had 5.0.1. The performance was great, so was the battery life. Then after a month later, I received the 5.1.1 update, updated, then instantly downloaded Wanam ROM. Currently, I am losing 1% of battery every 4 minutes SOT. My cousin is losing 1% every 7-8 minutes, who has a S6. I know the battery life on 5.0.1 is better, right? But not the performance. Also, I have read that 4.4.4 has the best battery life, but what about the performance? I am still new to the Note 4, but I really need help from you brothers on this. I want someone who knows enough about this device to tell me what I will lose or win if I update or downgrade through any of these OS versions. The best will be posted here in the Original Post for everyone else to see.
Thanks in advance!
Kazzko said:
Hello,
I am a SM-N910C user. I bought my phone and it had 5.0.1. The performance was great, so was the battery life. Then after a month later, I received the 5.1.1 update, updated, then instantly downloaded Wanam ROM. Currently, I am losing 1% of battery every 4 minutes SOT. My cousin is losing 1% every 7-8 minutes, who has a S6. I know the battery life on 5.0.1 is better, right? But not the performance. Also, I have read that 4.4.4 has the best battery life, but what about the performance? I am still new to the Note 4, but I really need help from you brothers on this. I want someone who knows enough about this device to tell me what I will lose or win if I update or downgrade through any of these OS versions. The best will be posted here in the Original Post for everyone else to see.
Thanks in advance!
Click to expand...
Click to collapse
I have the ATT n910a, and we just got the 5.1.1 update Friday. The battery life now is MUCH better than on 5.0.1. 5.1.1 seems to be very close to 4.4.4, but 4.4.4 may still have been a little better.
AFAIK, the only differences between 4.4.4, 5.0.1, and 5.1.1 is battery life, performance and Stagefright patches.
4.4.4 was slow, but great battery. I'm not sure if it was vulnerable to Stagefright though.
5.0.1 was faster, but had a ton of system bugs, which affected memory and battery. Later patches were made to fix Stagefright.
5.1.1 is the fastest and has most of the major bugs patched.
Other than all that, Lollipop in general brought the new Material color theming.
Sent from my SAMSUNG-SM-N910A using Tapatalk

About APC8 firmware

Guys, while going through few battery life related threads, I found that APC8 firmware which was released in March 2016 works best on S7 Edge Exynos. I am currently on Nougat. I have following questions :
1) Can I downgrade from Nougat to APC8? What about Knox?
2) What are the major features I am going to loose if compared with last release of MM..?
AlanDS said:
Guys, while going through few battery life related threads, I found that APC8 firmware which was released in March 2016 works best on S7 Edge Exynos. I am currently on Nougat. I have following questions :
1) Can I downgrade from Nougat to APC8? What about Knox?
2) What are the major features I am going to loose if compared with last release of MM..?
Click to expand...
Click to collapse
There's nothing special about APC8. You can ODIN to APC8 yes. You'll lose all features introduced post APC8.
If APC8 was somehow better, you'd see ROMs based on that firmware. Don’t waste your time imho. Cheers
AlanDS said:
Guys, while going through few battery life related threads, I found that APC8 firmware which was released in March 2016 works best on S7 Edge Exynos. I am currently on Nougat. I have following questions :
1) Can I downgrade from Nougat to APC8? What about Knox?
2) What are the major features I am going to loose if compared with last release of MM..?
Click to expand...
Click to collapse
I stick with that firmware since release of the device and loved battery life.
I recently upgraded to nougat and after debloating I get just as good battery life.
So I wouldn't waste your time IMO.
I get about 5-6 hours sot gaming on wifi with ACP8 stock, doesn't seem to stand out compared to others and I'm on exynos
Ironically when I first got Note 7 I was able to game for 9 hours straight with snapdragon so I'll never understand how any of this **** works
Thanks guys for the reply. I found that latest BTU nougat release (DQB3) is giving good standby time.. Didn't check SOT yet as I am not charging my battery upto 100%.. Max is 80%. All firmwares prior to this had deep sleep issues. I will check for few more days..
Sent from my SM-G935F using Tapatalk
On latest Nougat
4g all day - 20 hours standby - 4 hours SOT
APC8
4g all day - 32 hour standby - 6 hours SOT
APC8 wins
Do you guys know any good APC8 roms from the past? Hard to find anything after all this time.
I am back to APC8 build after long time. I can easily get 5 to 6 Hours SOT with this. It was only 3 to 4 hours SOT with same usage in recent Nougat build for my region (XSG).
Will continue with APC8 until Oreo release.

Extreme battery drain on oreo

Hi
I have an g9350 (china edge) and i bought it, as you can guess, in China. At first it was ok, holded battery for 2-3 days of semi-usage.
When i returned back home, i installed an s9 ported 8.0 oreo rom. (Aurora v32) (my stock was 7.0 N)
Then, my battery drain got much stronger, and my phone can't keep even a day on semi-usage, with battery saving turned on!
I tried going to detailed battery info to check what was draining the battery buuuut..... there isn't such option on oreo 8.0 (what?)
So, I would really like to stay on oreo, since I like it, but I need to find the solution to extreme battery drain.
Anyone know anything that may help me?
Maybe it is related to the ported Rom or the Kernel.
Have you tried to flash a Stock Oreo Rom and check the Battery drain again?

ATT SM-G935A Oreo draining battery super fast (both legit update and Odinflash)

Samsung Galaxy S7 Edge got the Oreo update lately and the battery was just draining like crazy. On top of that, charging it seemed to take up to 10 hours and draining it less than 1.
Never had an issue until update. Fresh installed using Odin (direct 8.0 AP). Still draining like a wild fire burns.
Are there ANY solutions to fix this? I'm not sure what more info to provide so ask away and I shall answer you. I know it's a short question.

About battery SM-N910U

Hi, i have SM-N910U device and the original new battery. But, why my battery draining so fast? Currently i using MM 6.0.1 official. Not rooted device. I’ve done lot of things to keep battery stable. But it seems not working. The battery drained so fast. This is malfunctioned of seri U or what? Thanks for the answer
What do you mean by "original new battery"? Do you mean the original battery that came with the phone? Or you have recently purchased an "original new battery"?
If you have recently purchased a battery it is almost guaranteed not to be an original Samsung battery as they do not make them any more - it is probably fake. Buy a RavPower battery and see how it goes. Same if you're still using the battery that originally came with the phone - get a RavPower. You might also want to try a factory reset and set your phone up clean again - this made a big difference to mine about a year ago when my battery was draining fast.
vudith said:
Hi, i have SM-N910U device and the original new battery. But, why my battery draining so fast? Currently i using MM 6.0.1 official. Not rooted device. I’ve done lot of things to keep battery stable. But it seems not working. The battery drained so fast. This is malfunctioned of seri U or what? Thanks for the answer
Click to expand...
Click to collapse
Three possible curlpits: Your apps, the battery, or the firmware
Battery—fake battery will die fast, according to what others say
Apps—some apps are battery hungry, so find a way to hibernate those with Greenify or Hibernation Manager
Software—Android 6 is the last and worst update for performance and battery life. While it's on KitKat (4.4), its battery life was awesome; fast forward to Lollipop (5.0.1–5.1.1), from 12 hours of Screen On Time (SOT), it got decreased to 8 hours; and fast forward again to Marshmallow (6.0.1), it became from 8 hours to 3 hours. No matter what kernel or battery-saving methods you use, it's futile for a firmware that rots a powerful phone. The only way to fix this is by either using a custom ROM (Refined Nougat, Note 5/7 ported ROMs, etc.), or downgrading your firmware. (Installing KitKat with the latest bootloader prevents you from downgrading).
With a new battery on MM stock and unrooted I was getting 6 hours SOT (Exynos). Dropped off now after using the battery for 18 months, but soon upgrading to Note 9 or 10 anyway.

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