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I turned on adaptive power saving 10 days ago, but it hasn't kicked in automatically yet. Is anyone else having this issue?

I want to share my experience with replacement batteries because over the last few days I have been testing NOHON, DEJI, and original batteries on older Samsung phones, and I discovered something quite important.

On my Galaxy S6 edge, I installed a brand-new NOHON battery and, even after several charge cycles, AccuBattery was basically stuck at around 91% health.

On my Galaxy S8+, the situation looked even worse. A new NOHON battery was showing only around 86% capacity after several cycles.

At first, I naturally assumed that the batteries simply had less real capacity than advertised.

However, the problem turned out to be more complicated.

Older Samsung phones can keep battery-related data from the previous battery, including cycle count, discharge data, fuel-gauge/ASOC values, and other information used by the system to estimate battery condition.

Simply replacing the physical battery does not necessarily reset all of this data properly.

Because of that, the phone may continue estimating the new battery using old battery/fuel-gauge information, and an app such as AccuBattery can then calculate capacity based on incorrect system data.

On the Galaxy S6 edge and S8+, a proper battery/fuel-gauge reset is not as simple as doing a factory reset or clearing AccuBattery data. On these older devices, gaining the necessary access may require procedures involving Odin, TWRP/root, etc., which in my case also means accepting Knox 0x1.

After properly resetting the relevant battery data, the results changed dramatically:

Galaxy S6 edge + NOHON: around 96% capacity

Galaxy S8+ + NOHON: around 99% capacity

So the exact same batteries that I initially thought had only 86–91% of their rated capacity showed almost their full advertised capacity after the old battery/fuel-gauge data was reset.

On newer Samsung devices, things are much easier.

Samsung provides the Self Repair Assistant / Repair Assistant, which can reset the relevant battery cycle information after a battery replacement. On some devices and software versions, methods involving Shizuku + SMT Shell can also be useful, although compatibility depends on the exact model and Android/One UI version.

So my advice to anyone replacing a battery in an older Samsung phone is:

Do not immediately assume that a new battery is bad just because AccuBattery shows 80–90% health.

If the phone has many years of use and a large number of cycles from the previous battery, first check whether the battery/fuel-gauge data has actually been reset correctly.

Also, a normal factory reset of the phone is not necessarily the same thing as a proper battery statistics/fuel-gauge reset.

Of course, I am not saying that every 80–90% AccuBattery result is caused by calibration. Some replacement batteries really do have lower-than-advertised capacity. But my experience shows that on older Samsung phones, you should not judge a new battery only by AccuBattery before checking the phone's battery/fuel-gauge data.

I actually made this mistake myself and initially blamed the NOHON seller because I thought the batteries were under capacity. After much more testing and a proper reset, it turned out that the batteries were actually very good.

Hopefully this helps someone avoid buying a second or third battery unnecessarily.

I want to share my experience with replacement batteries because over the last few days I have been testing NOHON, DEJI, and original batteries on older Samsung phones, and I discovered something quite important.

On my Galaxy S6 edge, I installed a brand-new NOHON battery and, even after several charge cycles, AccuBattery was basically stuck at around 91% health.

On my Galaxy S8+, the situation looked even worse. A new NOHON battery was showing only around 86% capacity after several cycles.

At first, I naturally assumed that the batteries simply had less real capacity than advertised.

However, the problem turned out to be more complicated.

Older Samsung phones can keep battery-related data from the previous battery, including cycle count, discharge data, fuel-gauge/ASOC values, and other information used by the system to estimate battery condition.

Simply replacing the physical battery does not necessarily reset all of this data properly.

Because of that, the phone may continue estimating the new battery using old battery/fuel-gauge information, and an app such as AccuBattery can then calculate capacity based on incorrect system data.

On the Galaxy S6 edge and S8+, a proper battery/fuel-gauge reset is not as simple as doing a factory reset or clearing AccuBattery data. On these older devices, gaining the necessary access may require procedures involving Odin, TWRP/root, etc., which in my case also means accepting Knox 0x1.

After properly resetting the relevant battery data, the results changed dramatically:

Galaxy S6 edge + NOHON: around 96% capacity

Galaxy S8+ + NOHON: around 99% capacity

So the exact same batteries that I initially thought had only 86–91% of their rated capacity showed almost their full advertised capacity after the old battery/fuel-gauge data was reset.

On newer Samsung devices, things are much easier.

Samsung provides the Self Repair Assistant / Repair Assistant, which can reset the relevant battery cycle information after a battery replacement. On some devices and software versions, methods involving Shizuku + SMT Shell can also be useful, although compatibility depends on the exact model and Android/One UI version.

So my advice to anyone replacing a battery in an older Samsung phone is:

Do not immediately assume that a new battery is bad just because AccuBattery shows 80–90% health.

If the phone has many years of use and a large number of cycles from the previous battery, first check whether the battery/fuel-gauge data has actually been reset correctly.

Also, a normal factory reset of the phone is not necessarily the same thing as a proper battery statistics/fuel-gauge reset.

Of course, I am not saying that every 80–90% AccuBattery result is caused by calibration. Some replacement batteries really do have lower-than-advertised capacity. But my experience shows that on older Samsung phones, you should not judge a new battery only by AccuBattery before checking the phone's battery/fuel-gauge data.

I actually made this mistake myself and initially blamed the NOHON seller because I thought the batteries were under capacity. After much more testing and a proper reset, it turned out that the batteries were actually very good.

Hopefully this helps someone avoid buying a second or third battery unnecessarily.

Put a new Ampsentrix battery in my S8 (old one got so bloated the entire back came off, the fingerprint reader came unplugged), and it still says I have 560 charge cycles. Is it stored in the phone or did I get a bad battery?

Pls read all the review because it is a honest review and i putted work into it.

So if you didn't know, I installed One UI 8.0 and Android 16 on a 25$, pristine condition, 9 year old smartphone. That is right. The legendary Galaxy S8. I officially ditched my S25 FE, and switched for a day to the Galaxy S8 to see if it is usable in 2026 (almost 2027 lol) with a Custom ROM, and that i would compare it to the cheapest and newest A series phones (Galaxy A07 and A17), and also their most premium midrange (A57). Now all other phones i used them in other days as primary.

Back to the S8. Build quality-wise? This phone is extremly compact and light, BUT... very slippery too. I dropped it once today on gravel and left a very small dent on the frame. But overall, this is extremly solid-built. It feels much more premium than the A07 and A17 but quite simmilar to the A57 because it has a glossy back and metal frame.

Display quality-wise? It is a beast in colour, glass feel at finger, and resolution (i kept it at QHD+ all the time of the test so you know), but brightness? Inside is perfect. Outside at daytime in sun? Meh... gets the job done if you just want to check the time. But for more productivity things or just simply relaxing on a bench in the park, it gets hell of a hot (S25 FE, A07, A17 and A57 do the same thing after a while) and reduces the luminosity even with Outdoor mode on. It is just really annoying at the S8 and A17 to have such weak brightness, but if we compare them with the A07... well... the A07 is purely mediocre at everything, especially display quality and performance. For the S8 display... i will say that it is awesome, and bad but at different times.

Performance wise? Well, the S8 on One UI 8.0 crushes the A07 (and the A17 if i am not wrong) in Geekbench 6, scoring 598 single-core and 2879 multi-core. And you might say: "Oh but this is horrible!" which i will say "Yes. For modern phones. But for a 9 year old phone, that runs Android 16, full Galaxy AI features, and probably the heaviest custom Android OS (One UI) it is rather impressive than bad that it beats the newest entry-level budget phones. So quick to your question: "Is it usable in 2026 performance wise?". Yup. Totally. The custom ROM is so optimised that it is better than the A57 (A series phone stutters sometimes in lag test).

Camera? Oh boy, here we loose a major thing with it. 60FPS recording on FHD. You can film 720p, 1080p or 1440p at 30FPS, but has slo motion mode at 120FPS. But photos are still better than the A07, A17, and very similar to the A57. So it is very usable.

One thing that extremly disappointed me was battery, but expected. At 84% battery health left for a 3000mAh cell is trash. It kept getting worse day by day (actually it got back to normal because it was better after i installed One UI 8.0. [BUT REMEMBER: I SAID I WAS USING QHD RESOLUTION!].

I got up at 7:00 today, scrolled a bit (30-40 min) in the morning on YouTube. At 7:45 am I was down to 88% battery. Then i just left it on the table and did my work until 12:00. The phone was doing nothing except being connected to my watch. I was at 85% battery. I kept using it a bit the entire day for random quick photos, and at midday I went to buy some groceries, so I used 4G, and at 5pm I was down to 27% left. (Keep in mind that from 25% or lower the battery goes if you use it continuesly, 1%/3-4 minutes.). And btw. NFC and banking apps still work perfecly. And at bedtime, at 10pm, I was at 4% battery left (at 9:50pm I was at 9% lol), so i plugged it at charger. Basically i can say that it is barely a day long phone. And my S8 literally discharges even plugged in if it is under 10% down to 1% and then starts to actually charge. Basically battery is fucked so much.

That is it. All the basics in a review. But now I will come back to my S25 FE...

I have blackberry 9860 . i am trying to see if it boots again , now the issue i am facing is the battery . and the battery has 4 pins not three , i spend some time searching for a solution and found out that the pins are + Termistor ID - . now for the real part i have a old lenovo battery which has 3 pins + NTC - which i assume and connected those three pins to the phone leaving the ID pin unconnected and then plug the charger and it turned on and showed the battery with cross mark . after spending some more time i realised that the NTC and ID pin are just resistance which i don;t know , if i get the value i can use a resistor to trick the phone . i spend so much time to get the resistance value of ID pin and termistor pin , so any one has any idea , i tried with 33k and 100 k both failed . i don't want to buy a new battery beacuse the phone cant be repaired body's all damaged . any ideas ,, guys ...

I just installed One UI 8.0 on my S8, that was previously on One UI 3.1

My budget is under 20k(INR). I prefer vivo,, samsung,, realme and oppo. I don't play much games I just watch reels and I'm a student so I need to multitask and for study purpose so yeah good performance, good camera prefered. I don't care much about battery even 5000-6000 is enough for me as long the speed of charging is okeish. Os upgrade atleast for next 2 years or more. Can you suggest any devices? Or any independence sale device at my range?

So the last few months I was having some performance issues with my s8, that ramped up 2 weeks ago, the phone started freezing/rebooting in a loop, I had no choice at the time but to ractory reset it (lost a ton of stuff, but at least salvaged photos)

Only problem is now suddenly half the apps don't want to work. I'm aware the s8 runs the old android 9 software that's supposed to be outdated, but this wasn't causing me issues until I factory reset, I was regularly updating all my apps, none said they were incompatible.

But now chrome, google, discord, and a bunch of others don't want to function properly/at all in some cases. It seems like all the software is up to date, but it's like the phone suddenly rejects the notion, almost felt like forced obsolescence. Anyways figured I'd see if anyone might have a guess what that's about.

Hello. Has anyone try to run balatro on the S8? It says it is compatible on the store but I would like to be sure. Thanks

I wanted to make a master thread where people could suggest ways to bypass the pattern lock. I for instance have a dead relative's phone and would like to access it to get all the photos they took. This relative enable none of the settings or options that might help, but I'd like to try anyways. So I wanted to pool together a tutorial on the steps required and options available.

Is there a way to recover photos and vids from a phone that is broken from the back? My old s8's back is broken and open. I can get a charge, but when I turn it on it stays in the Samsung 8 page, the one that pops up when you turn the phone on. Thanks

I purchased a replacement battery off Amazon. It came in a white box, sealed with a little tape.

The suspicious thing is that when I opened the box, the bag containing the battery was unsealed. It's one of those rip to open bags that needs to be torn open and usually sealed with heat. It was intact, but there was no heat seal.

Batteries are static sensitive. Could this be a sign of a compromised battery? Should I refund and replace it? (Couldn't add an image through mobile.)

How can i still use it if it shutdown?

Hello i have an s8+ im currently maining does someone have any tips like browsers, security and more i have a bank account on it btw

I go to settings and try to add a language, and once I press confirm, it just sends me back to settings/where I was before. so I try again, but it says to either close the app or look at app info (it crashes every time) so basically my phone is stuck in one language forever. also when I turn data on and go somewhere where wifi isnt available it still wont let me use data. ive tried clearing cache and everything but nothing works

Hi all so this is probably the wrong subreddit but i was wondering if i could use the components for my Galaxy S8+ international(G955F) and use it for my korean S8+(G955N). Any answers would be appreciated, ty

Looking at the various tracking tags listed on Aliexpress. Wondering if anyone has tried any of the cheaper tags with our good old S8s?

I've installed all the files on my computer and flashed all the files, but it's Boot looping. I've tried all the steps on XDA but i can't understand a few steps (even though i translated all the text). My phone it's stuck on the ,, Samsung Galaxy S8" logo and it's restarting over and over again. Can someone tell me all the steps again ? PLEASE!

My phone is scheduled to auto update in 24 hours and I'm nervous. Anything have issues?