does the samsung galaxy s3 have signal and battery issues ? - Galaxy S III Q&A, Help & Troubleshooting

hi everyone this is my first thread and i am glad to be here
i have a question
i am thinking of buying the samsung galaxy s3 but i read that some people are complaining about the signal and the battery and i wanted to know is an issue in the carrier or from the phone itself ? and is it a problem on all of the samsung galaxy s3 phones ?

Well this S3 is the smartphone with the longest battery life I ever got.
I would say it is twice the nexus one or LG X2 I had before and 4 times my older Basic Galaxy.
Reception is very good and Wifi is also the best I have ever seen.

Battery life is fantastic and signal strength is also fantastic (both better than any other android phone I've ever owned). I've found wifi strength can be a bit lacking but not to the point where it becomes a problem.

Same as above, no signal or battery issues. Battery is very long-lasting.
Only issue I've had so far was a wakelock keeping the phone awake all night and draining it, but that can happen on any device.

Good reception and battery life. Gotta be happy with 6 hours screen time.
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sxi is your sg3 rooted or all stock?

sxi200 said:
Good reception and battery life. Gotta be happy with 6 hours screen time.
Sent from my GT-I9300 using xda premium
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Click to collapse
very impresive man..btw my s3 doesnt have any signal or battery issues

i think my have battery problem, it don even last me a day and i dont even use it that much and also mine gets very hot when charging it

Believe me after coming from a LG optimus 3D i would say the battery life is awesome. LG optimus 3d battery life with heavy usage 3 hours no usage 5. S3 with heavy usage 15 hours or more, no usage i have no idea last time i left it on idle to check it was almost 2 days..
That is comparing a dual core to a quad core phone the battery is simply amazing and the signal hasn't dropped for me at all it is excellent..

I'm having battery issues. Cell standby seems to use a crap load of battery for seemingly no reason.
This pic is just over night. I went to bed with 100% battery and woke up with these battery stats:

Battery life is not a issue in this mobile..its awesome..even signal strength is also fine so till now no probs at all ..

So I'm having major battery issues. After 2 hours of light use my battery is down to 84%. Tried to post screen shots of the battery usage but can't upload .png file. Basically the android system is consuming almost 90% of the battery. After 4 hours it is almost half dead and by 8 hours less than 20% left. Very frustrating. Power saving mode is on.
Ok so i was able to attach an image showing a screenshot I took yesterday showing the terrible battery life.
Sent from my SAMSUNG-SGH-I747 using XDA

vhodgesosu said:
So I'm having major battery issues. After 2 hours of light use my battery is down to 84%. Tried to post screen shots of the battery usage but can't upload .png file. Basically the android system is consuming almost 90% of the battery. After 4 hours it is almost half dead and by 8 hours less than 20% left. Very frustrating. Power saving mode is on.
Ok so i was able to attach an image showing a screenshot I took yesterday showing the terrible battery life.
Sent from my SAMSUNG-SGH-I747 using XDA
Click to expand...
Click to collapse
I am having similar issues. will post screen shots soon.
Also had a werid issue while in a lte area where phone refused to get any signal after having one all day only fix was to restart it.

MrSimtang said:
I'm having battery issues. Cell standby seems to use a crap load of battery for seemingly no reason.
This pic is just over night. I went to bed with 100% battery and woke up with these battery stats:
Click to expand...
Click to collapse
My problem exactly. Cell standby is giving my battery a hard time. On Voodafone now.

IMO High Cell standby power drains suggests your signal is weak?? chaning your wireless network settings may help Eg: 4G on or off, roaming etc. High Android system drains suggest unnecessary systems always running. I would try turning off any unused apps, GPS, etc & lowering display brightness. I think I'm going to get this phone tomorrow.
Reeby said:
My problem exactly. Cell standby is giving my battery a hard time. On Voodafone now.
Click to expand...
Click to collapse

Related

Battery Woes

Is anyone else finding it extremely difficult to get through the day without struggling to keep your SIII alive? I thought the battery life was supposed to be superior to its predecessors? I'm a first time Android user but I did not think I would have to lower my brightness all the way and constantly monitor my devices battery life.
do you have some dumbass apps draining your battery?
i found my culprit and it's Friendcaster without even turn the notification on
get Badass battery monitor to find it or just use the one in setting
I'm finding the battery life is great, and lasts a whole day with no problems
It really depends on what do on your phone.
Try posting a screenshot of your battery stats. Android has an inbuilt monitor with each app and its usage being displayed. Easy method to spot a drain.
I just downloaded that in addition to my other app but there doesn't seem to be anything out of the ordinary that seems to be killing my battery. Most of it is coming from my screen but I keep at it 25% brightness the whole time. Super odd
I usually get around 16 hours of standby and at least 4 hours or more of screen time.
You should try Watchdog Task Manager. It will be able to tell you if an app is running and using more processes than it should. Also I've never used badass battery stats, but better battery stats will tell you if anything is holding a wakelock. It is free for XDA members so you don't have to buy it on the market. Just search for it
Elgordo2 said:
I'm finding the battery life is great, and lasts a whole day with no problems
It really depends on what do on your phone.
Try posting a screenshot of your battery stats. Android has an inbuilt monitor with each app and its usage being displayed. Easy method to spot a drain.
Click to expand...
Click to collapse
Where exactly would I find this inbuilt monitor?
Settings/Battery Is what I was refering to. The other two recommended apps are probably more detailed.
Is this it?
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On saturday I drove for 4 hours streaming music via bluetooth to my car. Used navigation for about 40 minutes with the screen on the whole time. Took a few calls, sent a few sms's. Read a few forums using data. Got home that night with about 40% left. That'll do me.
Maybe I'm just freaking out about the whole battery situation? I just expected it to be a lot longer and a lot better. I constantly worry if I'll be able to make past 10PM when I start my day at 7AM.
On wifi with little to no voice signal that cuts out frequently, I might get seven hours of screen on time today D:
Sent from my GT-I9300 using Tapatalk 2
Yeah i found it average and could just get through a day. Ended up installing lightweight rom and lasts a day no problem.
Get Better Battery Stats and have a look at what the Wakelocks are like http://forum.xda-developers.com/showthread.php?t=1179809
eddylee09 said:
Maybe I'm just freaking out about the whole battery situation? I just expected it to be a lot longer and a lot better. I constantly worry if I'll be able to make past 10PM when I start my day at 7AM.
Click to expand...
Click to collapse
You should be fine, i start my day at 5am and still have 40% at 8pm.
Sent from my GT-I9300 using xda premium
I'm getting huge drain from Cell Standby.
It'll lose 30% overnight. I keep checking for a software update. It's got to be the modem.
I'm holding off on rooting and custom ROMS until I know for sure this is fixable in firmware.
My phone's on LE6 and is from Thailand.
I see that you have poor signal reception
maybe that's why
last time I went underground, just 5 mins of standby it took away 10% of my battery
when it searches for signal it drains a lot
you could also try to disable auto search for network
go to setting>more settings > network operators and select it manually
joshnichols189 said:
On wifi with little to no voice signal that cuts out frequently, I might get seven hours of screen on time today D:
Sent from my GT-I9300 using Tapatalk 2
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Click to collapse
An update, I did not want to drain fully to 0 but I got six hours and forty minutes of screen time yesterday and I think I could have hit seven if I drained fully.
Sent from my GT-I9300 using Tapatalk 2
i get 48% on cell standby... my phone lasts around 4-5 hours... anyone got any ideas what i can do to increase my battery further??
Sent from my GT-I9300 using xda premium
super
lokhor said:
Get Better Battery Stats and have a look at what the Wakelocks are like http://forum.xda-developers.com/showthread.php?t=1179809
Click to expand...
Click to collapse
Super idea ) i've done that today. All seemed good. 2,5 % awake is fine

Cant get more than 2 hours screen time, but can can get 12hours standby.

Anyone have any ideas what to look for? I dont think I have a battery drain because with the screen off I lose about .5-1% every hour or so. But when im using the phone, the battery seems to drain very fast. The most screen time I have gotten is 2hrs, and its usually less than that.
Brightness does not seem to matter, I always have auto off and have tried brightness at 20%, 30%, 50% and 60%.
Use this application to locate Battery Drain https://play.google.com/store/apps/...mNvbS5XYXphQmUuYW5kcm9pZC5CYXR0ZXJ5RHJhaW4iXQ..
Update to the latest firmware or put a custom ROM.
The problem has been resolved. I had also a fast drain battery.
I even had the screen On during the night.
When I closed the eyes it was Off, but in the morning at my wake up it was On
Thanks I'll try the battery drain app.
asr10user said:
Thanks I'll try the battery drain app.
Click to expand...
Click to collapse
The battery of my SG3 drains so fast I'm evne thinking of returning it (bought it yesterday). It can't be normal, it's almost like my old iPhone 3G. It goes like 1% per minute or so while browsing.
Did this fix and disabled WiFi, no luck.
Gonna try that app and see if it helps.
I think mine is like that as well. Maybe 1% minute when using heavily. Also thinking selling it. Can't return, bought on Craig list.
Very strange behavior. Something must be wrong with your soft or hardware because this is smartphone with the best battery (except razr maxx).
My statistics (moderate use):
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I loose 1-2% per hour with sync + WiFi or mobile data. And only 1%/4h when screen is off in deep idle and power saving mode.
i9.0.1.3k galaxy imperator
I am experiencing the same thing since i flashed omega rom v13. i was getting 5/5.5 hours of screen time on stock Samsung rom before i flashed. Right now the battery drains 1% every 2mins when the screen is on :/ (brightness has alwsys been around 20/30%)
Only thing that has changed since i flashed is the fact that i had wifi off during sleep on stock but now its always on. I have tried setting it to always off but it automatically switches to always on everytime i do it for some reason.
Sent from my GT-I9300 using Tapatalk 2
Amino2k said:
I am experiencing the same thing since i flashed omega rom v13. i was getting 5/5.5 hours of screen time on stock Samsung rom before i flashed. Right now the battery drains 1% every 2mins when the screen is on :/ (brightness has alwsys been around 20/30%)
Only thing that has changed since i flashed is the fact that i had wifi off during sleep on stock but now its always on. I have tried setting it to always off but it automatically switches to always on everytime i do it for some reason.
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
I believe this is normal with new devices. It takes time before Li-Ion batteries "adjust".
Flashed my phone to another rom, JB 4.1.1 and it's the same. So no, it's not software issue. Hardware? I don't think so... the phone is new and works just fine. The problem is the battery that it's new, or maybe is damaged... who knows (probably not).
I have the same problem. I see people post threads the battery, that lasts 2 days !
I'm thinking of buying a new battery, just to check if it is a battery thing, if the battery is ****ed up or something... The Galaxy S3, should last for atleast one day! and I can't get even that! is there a fix for that? I can post my battery use from the settings if necessary.
There are loads of threads about battery drain, a lot of it relates to Samsung bloatware and background services like face awake etc, you just need to explore your phone, learn how to use it, and see it up properly.....it is not an iPhone...it requires independent thinking skills
I'm experiencing the same problem on CM9.1. Try draining the battery fully twice. That'll calibrate it and improve battery life.
Sent from my GT-I9300 using Tapatalk 2
nicholas1520 said:
I'm experiencing the same problem on CM9.1. Try draining the battery fully twice. That'll calibrate it and improve battery life.
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
That's pretty much what everyone is saying. I've never drained it, so I'm wating. Hopefully it'll work.
It can't be software because I changed ROMs like 5 times, everytime installing a different one.
raied115 said:
I have the same problem. I see people post threads the battery, that lasts 2 days !
I'm thinking of buying a new battery, just to check if it is a battery thing, if the battery is ****ed up or something... The Galaxy S3, should last for atleast one day! and I can't get even that! is there a fix for that? I can post my battery use from the settings if necessary.
Click to expand...
Click to collapse
Since two days, I'have the same problem.
Before Wednesday, I'haven't issue about battery drain. My phone battery worked more than 2 days idle with about 4hours screen ON and 1 hour voice calls.
But now, it works fine between 100% and 60% and then, battery drain starts. Just a few hours for the phone to indicate that it's remain 5% of power.
Do you think they are a background daemon running sometimes (why since two days?) ? Or it's a network problem ?
I'll try to wipe my battery stats and fully charge the battery.
Currently, my SGS3 International works with the latest UK firmware : PDA/XXBLG8 - MODEM/XXBLH1
bornlivedie said:
The battery of my SG3 drains so fast I'm evne thinking of returning it (bought it yesterday). It can't be normal, it's almost like my old iPhone 3G. It goes like 1% per minute or so while browsing.
Did this fix and disabled WiFi, no luck.
Gonna try that app and see if it helps.
Click to expand...
Click to collapse
It's not normal. My SGSIII drops 1% every 8-12 minutes while browsing...

Moto E battery life

Hello all forum members,
i have recently bought a moto e and been using it for over a week now. the mobile has been performing very well. however recently i noticed that the battery life for my moto e is coming to around less than 1 day. For instance yesterday i had taken it completely charged in morning around 7 am from house. i did not charge it through the day. it had mobile data on through the day.background applications were running like the updates, location, emails etc which are usually on. at home i have wi fi and used it along with a small time of playing games (may be half to one hr). by the time i had gone to rest, the battery was around 13 percent and phone was dead when i got up.
so it lost around 87% charge in 14-15 hours.
is this normal time to expect on battery? i read people claiming more than 1 day with normal usage.
please help me out with this as i am concerned whether to return the phone or get a replacement.
thank you,
Tarun
Battery Backup
It's completely normal. Moto E's battery last for that much time only.
It's totally fine!
Sent from my XT1022 using Tapatalk
Could you please post screenshots of battery stats and screentime?
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So 6.75h of screen time is quite a lot for a 120€ phone.....
xarli999 said:
So 6.75h of screen time is quite a lot for a 120€ phone.....
Click to expand...
Click to collapse
In that case, Nokia 3310 says hi.
Sent from my XT1022 using Tapatalk
I meant a smartphone
I am getting a SOT of (mostly indoor use):
1- Only 2g all day - 5.5+ hours
2- 2g and Wifi(wifi mainly used) all day- 6.5+ hours
3-Only wifi all- 7+ hours
And a average standby time of around 24 hours with that SOT
I am not a intensive gamer, my usage pattern includes mainly using messaging services,watching videos on youtube,listening to music.
Snapshots of battery life
i am attaching the two screenshots i took yesterday. i have tried calibrating my battery as what Matt has suggested on motorola forums for moto-g.
discharged the phone completely, charged it to 100% without turning it on. kept at 100% for 4 more hours, removed from charger, turned it on for 3-5 mins, then put it off and charged it again for 1 hour. repeated this cycle for 1 more time.
after this calibration even, i am getting a low usable battery life i think. 13 hours to 5% charge. during the last few hours (around 2-3 hours) i was chatting on whatsapp and listening to FM radio, so the screen was on as shown, other services were on like location, mobile data, auto brightness.
can anyone tell me if this is normal?, people are claiming a battery life of more than 1 day. now i am getting really worried.
thank you,
Tarun
what's your SOT?
Sent from my XT1022
SOT
sagnik9 said:
what's your SOT?
Sent from my XT1022
Click to expand...
Click to collapse
what is SOT??
Screen on time
If I have helped you,please click on the thanks button.
Past device - Xperia Ray
Present daily driver - Moto E
Screen on Time
i have attached the scrrenshots which i have attached to get an exact idea of screen on time. but as far as my estimate goes, my screen on time would be 4 hours (guessing from my chart-attached on page 1)
Battery life is good for me, normal usage with some wifi
pawanyadav said:
Battery life is good for me, normal usage with some wifi
Click to expand...
Click to collapse
you have certain settings that are much different than mine. your mobile data is off, your battery saver is on. your case cannot be compared here.
post the battery snapshot details. only then we can understand if we are comparing apples to apples or apples to oranges.
tarunkp said:
you have certain settings that are much different than mine. your mobile data is off, your battery saver is on. your case cannot be compared here.
Click to expand...
Click to collapse
Yea not using mobile data at all, only wifi and calls added battery detail snapshot in previous post
was connected to internet all day
WiFi and 2g(mainly WiFi though)
this same pattern of usage used to give a SOT of 2.5 hours maximum on my previous device (Xperia Ray- Carbon ROM)
I am really impressed with this device!
If I have helped you,please click on the thanks button.
Past device - Xperia Ray
Present daily driver - Moto E
Battery life on s4
Sent from my SGH-I337M using Tapatalk
sifuentes2013 said:
Battery life on s4
Sent from my SGH-I337M using Tapatalk
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Click to collapse
What's that has to do with moto e?
Sent from my XT1022 using Tapatalk

[Q] S6 vs S6 Edge Battery Life

Does anybody know of any actual tests/videos comparing the battery life of the S6/S6 Edge? I have seen this graph, and I believe one other graph that show conflicting results.
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How does the regular S6 get longer battery than the Edge when the Edge has a slightly larger (50 mAh) battery?
I'm coming from a S4 which barely lasts half a day, so I'm trying to justify if the price increase for the edge is worth it based on battery life alone. (I have seen both in store, and love the way the Edge looks, but if the regular S6 has a better battery life, I might just stick with it.)
I searched the forums to see if anything has been posted comparing the two but didn't come across anything.
The edge probably uses more resources for the edges. Also, I haven't come across anything saying the plastic oled uses more energy than standard oled.
not sure who made that graph, my s6e doesn't even get a third of my note 4's battery life.
Its rather bad, 100% 6am, 20% 5pm with next to no usage.
100% 11pm, 70% 6am.. pretty terrible
neonsector said:
not sure who made that graph, my s6e doesn't even get a third of my note 4's battery life.
Its rather bad, 100% 6am, 20% 5pm with next to no usage.
100% 11pm, 70% 6am.. pretty terrible
Click to expand...
Click to collapse
Wow... Coming from the lg g2 I was hoping this isn't the case.
Will have to monitor this phone over the next few months
neonsector said:
not sure who made that graph, my s6e doesn't even get a third of my note 4's battery life.
Its rather bad, 100% 6am, 20% 5pm with next to no usage.
100% 11pm, 70% 6am.. pretty terrible
Click to expand...
Click to collapse
Really that seems like something is draining your battery if next to no usage. Today will be my first full day with the Edge but I don't see me putting it down. lol I usually just put my phones on my wireless charger at times and if I need some juice quick I'll use fast charge. Such a think phone I wasn't expecting great battery life.
sweets55 said:
Really that seems like something is draining your battery if next to no usage. Today will be my first full day with the Edge but I don't see me putting it down. lol I usually just put my phones on my wireless charger at times and if I need some juice quick I'll use fast charge. Such a think phone I wasn't expecting great battery life.
Click to expand...
Click to collapse
Apparently there is a bug with Wifi (at least on T-Mobile) that is causing some serious standby drain. I turned off my Wifi and the battery seems to be much better for me today.
The other thing is apparently the information stream. Due to it keeping the digitizer active even when the screen is off, it causes more battery drain. I turned that off too, since I don't get much use out of it.
ForgottenGuardian said:
Apparently there is a bug with Wifi (at least on T-Mobile) that is causing some serious standby drain. I turned off my Wifi and the battery seems to be much better for me today.
The other thing is apparently the information stream. Due to it keeping the digitizer active even when the screen is off, it causes more battery drain. I turned that off too, since I don't get much use out of it.
Click to expand...
Click to collapse
I hope this is true. After 7 hours with only 14 minutes screen on time, my battery was down to 60%. I even disabled the edge features, hoping it would disable the always on capacitive sensors on the side.
Google services is always on top for me in the battery graph. Anyone else?
Sent from my SM-G925T using XDA Free mobile app
it turned out to be VoLTE, as soon as I disabled that, my batter life is incredible.
Some disable wifi calling as well. I am sure they will fix it in a future update

battery life

The S9+ battery life is insane, 1% over night, 8 hours
Best battery life of any phone I've owned, for sure.
Are you on SD or Exynos?
Sent from my SM-G950F using Tapatalk
No chance on exynos that low mate, I'm shure
Sent from my SM-G965F using Tapatalk
Yes... The stand by time is really good on this phone... I had the phone off the charger for 8 hours and barely used it all day ( busy day at work ) and I was still at 89 Percent at the end of the day... It definitely takes a few cycles still you notice major major changes .
I have exinos and never had a worse phone regarding battery life and heating. I tried all possible solutions for increasong battery life but still I get only 3-4 hours of SOT with a total of about just 15 hours!!!
What iritates me the most is that I do not have mjch apps and all is set to sleep and everything possible but the phone still randomly gets super hot even when nothing is runing, which then drains the battery too.
The drain overnight is also bad, it is draining 1-2% per hour.
Poor battery life . Same result even after carrier sent a replacement.
cant believe that i have s9 plus exynos and battery life is really not good for me.
Battery vs Movie
Whenever I try to watch movie on my mobile. Then It takes only 30 minutes to empty battery. I don't know why this is happening to me. I spent a lot of money to buy this ****ty phone. :crying:
From iPhone 6 Plus to S9+ (battery worst?)
i have finished to migrate from iPhone 6 plus to S9 Plus (SnapDragon) but until now (only 1 day) the battery seems to be worst. i will wait for more days and search what i should to change to make the battery have a longer life. What turn off; what consumes more battery and so on.
junausp said:
i have finished to migrate from iPhone 6 plus to S9 Plus (SnapDragon) but until now (only 1 day) the battery seems to be worst. i will wait for more days and search what i should to change to make the battery have a longer life. What turn off; what consumes more battery and so on.
Click to expand...
Click to collapse
iPhone's plus versions are better in total battery life. Used a iphone 7 plus for a year & seeing th difference. Refrain from doing anything on th SnapDragon.It would sattle itself.
arnes_king said:
I have exinos and never had a worse phone regarding battery life and heating. I tried all possible solutions for increasong battery life but still I get only 3-4 hours of SOT with a total of about just 15 hours!!!
What iritates me the most is that I do not have mjch apps and all is set to sleep and everything possible but the phone still randomly gets super hot even when nothing is runing, which then drains the battery too.
The drain overnight is also bad, it is draining 1-2% per hour.
Click to expand...
Click to collapse
i got 7 hours over a day and a half but i dont use it much really.
I've the exynos variant and it's the worst battery life so far. No other phone has had this kind of bad battery life.
ticalo said:
I've the exynos variant and it's the worst battery life so far. No other phone has had this kind of bad battery life.
Click to expand...
Click to collapse
Meh I too did not see such low battery life in top of the line phones in the last 2 years.
Exynos...1st pic wifi only, 2nd mobile data
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Proday said:
Exynos...1st pic wifi only, 2nd mobile data
Click to expand...
Click to collapse
Are you rooted??
Do you use programs for sleep mode?
What is your brightness %%??
Quality??
No root, all stock, knox 0x0, QHD res, brightness auto but most time slider @~40%
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Proday said:
No root, all stock, knox 0x0, brightness auto but most time slider @~40%
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I got automatic brightness auto almost 60%
1 mail synchronized
Edge screen on
Full quality
No nfc on
No.gps
No display on
I get only 5 to 5.30 screen time..
What is your system update version?
Today at woark (mostly time at mobile data) eaven better...with Note 8 exynos i had about 5:45 sot and s8 exynos below 5h in same conditions and with similar use. Forgot to say above, I'm using gearfit 2 pro smartwatch and bt is always on and connected.
Sent from my SM-G965F using Tapatalk
Proday said:
Today at woark (mostly time at mobile data) eaven better...with Note 8 exynos i had about 5:45 sot and s8 exynos below 5h in same conditions and with similar use. Forgot to say above, I'm using gearfit 2 pro smartwatch and bt is always on and connected.
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I can't get it...

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