Phones Galaxy Note 7

[Twixt]

T

That's not going too happen I can in sure you that the removable battery days for high end smart phone. From Samsung are over

That is sad, fast charging is a battery killer and I dont plan to buy another high end smartphone with a soldered battery that will limit its life to 2 years max.
Note 4 would be my first and last samsung then.

 

[jamezr]

T


That is sad, fast charging is a battery killer and I dont plan to buy another high end smartphone with a soldered battery that will limit its life to 2 years max.
Note 4 would be my first and last samsung then.

I haven't heard that fast charging shortens battery life. Do you have a link?

 

[Tig Bitties]

I'm a big Note fan, it's the only Galaxy phone I like. Loved my Note 2 and current Note 5.

But if the trend of locked bootloaders continues, and not even root available, like on the current S7 / S7 Edge, then there's no way in hell I would ever buy one. And just on principal alone, I wouldn't want to support that anyways, gotta stick up for what you believe in, and locked down phones should not be accepted or purchased by anyone IMO.

 

[Atomic Walrus]

I haven't heard that fast charging shortens battery life. Do you have a link?

I've tried to research this before and I usually just run into forum threads where people speculate and tech site articles without much if any real testing or science involved. The practical logic seems to be that the increased temperatures the battery reaches during fast charging will reduce its lifespan. There are, however, also chemistry concerns with charging a battery very quickly. There's some info here, though it's for EVs:
http://batteryuniversity.com/learn/article/ultra_fast_chargers

The takeaway is that it shouldn't do too much harm IF the system (including the battery itself) is well-designed. That's a big if, and I wouldn't feel confident that it's always going to be true, especially since phone manufacturers have little incentive to ensure a device will be working well in the future. That said, I doubt it's going to make a significant difference in the normal first-owner lifespan of these devices (before it's sold/traded).

With my N4 (now N5) I've taken the attitude that I'll use the fast charger when I need it, and use a "slow" charger when the increased charging speed won't benefit me.

 

[Twixt]

I haven't heard that fast charging shortens battery life. Do you have a link?

That is all over the web, physics wise it is easy to understand. Fact is average user changing phone every year or two will not see it (planned obsolescence?) but as a power user i clearly experienced it after 12 months...

 

[jamezr]

That is all over the web, physics wise it is easy to understand. Fact is average user changing phone every year or two will not see it (planned obsolescence?) but as a power user i clearly experienced it after 12 months...

I just did a google search. The consensus was that is does affect battery longevity. But the effect is so small that the benefits outweigh any negative effects.

 

[Twixt]

I just did a google search. The consensus was that is does affect battery longevity. But the effect is so small that the benefits outweigh any negative effects.

I suppose the negative effect is not visible for average users. Fast charge your Note battery twice a day and the latter will be washed out after one year...

 

[jamezr]

I suppose the negative effect is not visible for average users. Fast charge your Note battery twice a day and the latter will be washed out after one year...

one year? Where did you see that? My Note 5 is 6 months old and not showing any battery degradation. I fast charge it everytime I charge it. Then electric cars and the like are fast charged 1000s of times and never show battery degradation.

 

[JackieInCo]

T


That is sad, fast charging is a battery killer and I dont plan to buy another high end smartphone with a soldered battery that will limit its life to 2 years max.
Note 4 would be my first and last samsung then.

It doesn't shorten the battery life in any way.

 

[spinedoc77]

one year? Where did you see that? My Note 5 is 6 months old and not showing any battery degradation. I fast charge it everytime I charge it. Then electric cars and the like are fast charged 1000s of times and never show battery degradation.

I can't tell because the battery life on my Note 5 is so sporadic. Some days I get home and am still at 60%, other days I'm at 20% and the usage isn't markedly different.

 

[JackieInCo]

I can't tell because the battery life on my Note 5 is so sporadic. Some days I get home and am still at 60%, other days I'm at 20% and the usage isn't markedly different.

That's not because of the battery degrading, that's is because there is a runaway process or an app currently running that is draining the battery.

My Note 5 was bought in January and I have the same problem occasionally. What I do is open recents and close all of them and then reboot the phone before takint it off the charger or before going to sleep. If I do this, the battery will barely drop a % over night.

I've had the same thing happen on my one month old S7 Edge just yesterday. I had 60% left in in just two hours of it sitting here, it was down to 28%.

I gotta admit, I never had these battery drainage problems on any iPhone I have ever used.

 

[spinedoc77]

That's not because of the battery degrading, that's is because there is a runaway process or an app currently running that is draining the battery.

My Note 5 was bought in January and I have the same problem occasionally. What I do is open recents and close all of them and then reboot the phone before takint it off the charger or before going to sleep. If I do this, the battery will barely drop a % over night.

I've had the same thing happen on my one month old S7 Edge just yesterday. I had 60% left in in just two hours of it sitting here, it was down to 28%.

I gotta admit, I never had these battery drainage problems on any iPhone I have ever used.

Oh absolutely, I agree. It's very much like a PC where you can see varying battery life depending on which apps I use. I try to close my recents often and every couple of weeks I'll reset the cache as well. Good idea about the reboots, I'll try that. I also agree about the iPhone, the battery life on my old 6s+ was very stable and predictable.

I wish there was a decent battery monitoring app, all the ones I've tried are cryptic and hard to make sense of. The vast majority of the time the culprits are "Screen", "Android System", "Kernel", etc which really doesn't tell me much.

 

[lowendlinux]

Oh absolutely, I agree. It's very much like a Windows PC where you can see varying battery life depending on which apps I use.

There I fixed it

 

[jamezr]

I can't tell because the battery life on my Note 5 is so sporadic. Some days I get home and am still at 60%, other days I'm at 20% and the usage isn't markedly different.

There could be a ton of reasons for that. Wireless access versus LTE access. Did your service drop down to 3G service?. What apps are you running on those days? Do you run the same apps everyday? Did you make more phone calls one day versus the other days. Did you watch YouTube some days and some days you don't? Do you use navigation? Were you in good cell signal during those days? Do you play games that have internet access that use mobile data? Were you in a good reception area during that time?
There are a not of reasons for battery life fluctuation. I would say 99% of the time it is due to usage more than anything else.

My battery life fluctuates on all my phones...depending on how I used them that day.

 

[Twixt]

one year? Where did you see that? My Note 5 is 6 months old and not showing any battery degradation. I fast charge it everytime I charge it. Then electric cars and the like are fast charged 1000s of times and never show battery degradation.

Yes it seems that this is a subject people are not familiar with here...
Battery will start suffering after 500 cycles, it is probably even less with fast charging.
At 1000 cycles a battery will be down 30% to 50% of initial capacity.
After 12 months of usage I was probably at 600-700 fast charging cycles which is why i reached what I estimated a 50% capacity drop thus bought a new one.
This is all related to usage and fast charging to some extend. By the way, even if it is super useful I stopped using it, bought a power bank instead.

About your note 5, maybe you are just at 150 fast chargings after 6 months so it is not surprising you do not face any degradation.
About electric cars, batteries are not the same you can not do the comparison. Do not forget handsets batteries do not embed latest technos, it is basic mainstream product.

 

[JackieInCo]

Yes it seems that this is a subject people are not familiar with here...
Battery will start suffering after 500 cycles, it is probably even less with fast charging.
At 1000 cycles a battery will be down 30% to 50% of initial capacity.
After 12 months of usage I was probably at 600-700 fast charging cycles which is why i reached what I estimated a 50% capacity drop thus bought a new one.
This is all related to usage and fast charging to some extend. By the way, even if it is super useful I stopped using it, bought a power bank instead.

About your note 5, maybe you are just at 150 fast chargings after 6 months so it is not surprising you do not face any degradation.
About electric cars, batteries are not the same you can not do the comparison. Do not forget handsets batteries do not embed latest technos, it is basic mainstream product.

This is true basically. I have two iPhones where I have an app that tells the capacity on each. The 5S is down to 87.8 capacity after 287 charges so yes, they do start to degrade but even after this much, it isn't that noticeable.

My 6+ is down to 97.1 after 147 charges.

 

[Klyster]

Oohhhh, water resistant and an iris scanner maybe

http://www.sammobile.com/2016/04/08...water-resistant-might-come-with-iris-scanner/

 

[LIVEFRMNYC]

It doesn't shorten the battery life in any way.

I wouldn't be so quick to say that. Heat alone degrades the battery. Fast Charging makes the battery hotter than normal charging, and if you use the phone while fast charging, it gets noticeably hotter.

Will Fast Charging degrade the battery by much or only in such a small amount that it's not worth talking about? I don't have the slightest idea. But to be safe, I try not to use the phone if it's fast charging, since the heat is very noticable when doing so. Doing that on a regular basis may show noticeable degregation.

 

[Surf Donkey]

Oohhhh, water resistant and an iris scanner maybe

http://www.sammobile.com/2016/04/08...water-resistant-might-come-with-iris-scanner/

Hasn't the iris scanner been rumored almost every cycle since the S5? It was told to be certain it would be in the S7. I don't get the hype for this at all, other than "neat" and "we did it before the apple".

 

[MRU]

Hasn't the iris scanner been rumored almost every cycle since the S5? It was told to be certain it would be in the S7. I don't get the hype for this at all, other than "neat" and "we did it before the apple".

Iris scanners are not ideal in a mobile phone. For 1, it takes longer to raise a device to your face, wake device and stare at the screen, wait for it recognise you and unlock; than it does to simply put your finger on a fingerprint scanner whilst picking up device and having it unlocked before you've even looked at the screen.

Likewise they are useless if you wear sunglasses, or even tinted regular spectacles. Meaning you now have to adjust your eyeware before unlocking device.

Whilst it's an interesting tech for more stationary devices such as a laptop or desktop on a mobile phone the practicalities of the tech change and it doesn't really fit without severely compromising and making the usefulness moot.

 

[Klyster]

I hope it would be implemented along with the fingerprint scanner.
I can think of scenarios where that would be useful.
Hey, Apple can do one too, I didn't really care if they do or not.

Water resistance makes me happy though

 

[LIVEFRMNYC]

I'm skeptical about the iris scanner too. But the first thing we do when we take our smartphone out our pocket is look at the phone. Now if the iris scanner can scan our iris near instantly at least 1-2 feet of distance, then Samsung might have something big. But if it's anything like the past facial recognition, then it's DOA!!!

 

[jamezr]

I'm skeptical about the iris scanner too. But the first thing we do when we take our smartphone out our pocket is look at the phone. Now if the iris scanner can scan our iris near instantly at least 1-2 feet of distance, then Samsung might have something big. But if it's anything like the past facial recognition, then it's DOA!!!

IMHO i think it is a gimmick. I would rather them continue to concentrate of the user experience than add a gimmicky feature. Let tone up TW even more and add more battery life
I like what is rumored already
1) SD Card
2) Waterproofing (IP68)
3) Android N
4) Faster processor/chipset
4) 5.8 Display in a slim down form like the S7/Edge
5) USB C?

Wish list
1) Physical mute button like the iphone
2) Round fingerprint scanner like Apple and Huawei phones. But not on the back

 

[Klyster]

I can't see Samsung implementing an iris scanner which is slower than a fingerprint scanner, it has to be useful or yes, it will be a gimmick.

I can imagine a scenario where it would be awesome, holding my boy and trying to unlock my phone is a pain in the booty.

If I could unlock it while looking at it, quickly, that'll be good enough for me.

Otherwise I agree about it being a gimmick.

I don't want usb c yet....

 

[MRU]

I can't see Samsung implementing an iris scanner which is slower than a fingerprint scanner, it has to be useful or yes, it will be a gimmick.

I can imagine a scenario where it would be awesome, holding my boy and trying to unlock my phone is a pain in the booty.

If I could unlock it while looking at it, quickly, that'll be good enough for me.

Otherwise I agree about it being a gimmick.

I don't want usb c yet....

Thing is you're already picking it up to use the device. It's in your hand. So in every occasion where an iris scanner may be useful - the fact is if it's already in your hand - with the fingerprint scanner it can be unlocked before you even look at it in first instance.

Current Iris scanner technology as experienced on the 950 & 950 XL require more than just a passing glance to unlock. It's success rate is also noticeably poorer due to the vast array of environmental factors (doing it outside in the sunlight and refraction playing a part etc..) that unless Samsung have a solution to all of these real world scenario changing factors - it will never be a suitable replacement or a better solution to a fingerprint scanner.

The fact remains with a mobile, it's in you hands in the first place. It's not sat stationary on a desk or fixed in a wall.