Develop Bugs

[Q] Battery Life Changes?

Can someone help me improve my battery life? I am currently using the MIUI ROM Made by "Ganii" and I want to save a little more battery life. Is there anything I can do to change the battery drainage? I am also using Multitasking Pro and it helps a lot but not enough. Screenshots below of my ROM info please leave comments!
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I use set CPU. Some ppl argue it drains battery, but I believe if you have it set at a fast enough speed for your taste and just have a few other profiles it helps. The hugest bettery improvement for me came when I used the battery calibration app. Just drain your battery to 1% and use it. My battery life jumped from 12 hrs to 48 hrs! Also leaving Bluetooth, Wi-Fi, data and auto sync except when you need them helps.
Sent from my HTC Vision using XDA Premium App

I too have issues with the battery life of my desire z. With everything off and just sms and taking a few calls, battery only lasts up to 12 hours.
Tried several apps which didn't help either.I'm running on stock rom. Would changing roms help?
Will try set cpu and see what happens.
Sent from my HTC Vision using XDA App

I don't know how to use SetCPU correctly. I always encounter errors. Please help fill out what i need to in the SetCPU.

Different people have different ideas about setcpu. Some believe that you shouldn't have any profiles. Others run many profiles. Personally, I believe that if you have setcpu set for userspace or on demand the phone is then constantly trying to figure out how much performance you need, causing a slight drain. I have mine set to 1113MHz performance. And for screen of the complete minimum. It never really gets to warm and is fast for everything I need. You said you where getting errors? What kind?
Sent from my HTC Vision using XDA Premium App

Having battery issuez with my desire z on stoxk froyo and when I check my battery usage the display is sucking up most of the juice amywhere brtween 50-80 % now that certainly smells fishy but evrn with scree brightness set quite I still have this problem I dont think I can even get 12 hours out of it. Help!
Sent from my HTC Vision using XDA App

grawgdroid said:
Having battery issuez with my desire z on stoxk froyo and when I check my battery usage the display is sucking up most of the juice amywhere brtween 50-80 % now that certainly smells fishy but evrn with scree brightness set quite I still have this problem I dont think I can even get 12 hours out of it. Help!
Sent from my HTC Vision using XDA App
Click to expand...
Click to collapse
Root and flash a rom. I was at 12 hours before. Also get the app 'battery calibrator' after rooting. I can't argue with 48hours... can you?
Sent from my HTC Vision using XDA Premium App

48 hours from the miscalibrated battery indicator (which is possible from the 1% trick) or did you actually use the phone for 48 hours?
Unless it's in airplane mode, it won't last 2 days with moderate use. In particular, any usage that includes 3G will drain the battery quick unless you have a strong signal.

flash cyanogenmod nightly, or 7.0 stable...
settings on cyanogenmod w stock battery:
cpu low 245mhz
cpu high 724mhz (or something)
scheduling: powersave
display: automagic or 50%
DO NOT USE APPLICATIONS FOR TASK KILLING, let android do it.
this works for 24 hours of occasional use, phone calls, sms, browsing.
and go order 2 of the red INCREDIBLE 1800mah batteries off ebay like i did (just arrived today) for $10 total, including shipping. i'm draining the batteries in 2 of my g2's right now with wifi, btooth, max settings, and youtube HD playing constantly. after they're drained to auto shutoff, i'll charge over night, then test like i normally use the phone tomorrow.
supposedly this battery is 1.4 x the capacity of the stock g2 battery. we'll see if it really is

Letting a li-ion battery fully drain is really bad. Li-ion batteries don't last forever and after a certain amount of charges it will eventually dither. Its a lot of charges to make that happen but you should never let a li-ion battery fully deplete. Oh and there is no such thing as battery calibration for li-ion batteries.
Also to the OP you shouldn't let the world know your imei number...just a thought
dont send me pm's crying about how i hurt your feelings in a thread

ChronoReverse said:
48 hours from the miscalibrated battery indicator (which is possible from the 1% trick) or did you actually use the phone for 48 hours?
Unless it's in airplane mode, it won't last 2 days with moderate use. In particular, any usage that includes 3G will drain the battery quick unless you have a strong signal.
Click to expand...
Click to collapse
Haha, 48hours of use. Ftw. That would be sick. No, moderate usage.
Sent from my HTC Vision using XDA Premium App

Spastic909 said:
Letting a li-ion battery fully drain is really bad. Li-ion batteries don't last forever and after a certain amount of charges it will eventually dither. Its a lot of charges to make that happen but you should never let a li-ion battery fully deplete. Oh and there is no such thing as battery calibration for li-ion batteries.
Also to the OP you shouldn't let the world know your imei number...just a thought
dont send me pm's crying about how i hurt your feelings in a thread
Click to expand...
Click to collapse
the phone shuts off, before harm is done. that's my understanding. at a grand whopping total of $10 total (shipped, for two ( 2 ) of these 1800mah things) i'm not really worried.
the os is smart enough to not fully deplete the battery, ei shutting itself off. i may toss the old ones in a fire (gasp!) at some point just for fun and to make the greenies cringe.

Battery Feipusi 2300 mAh Li-ion / P930,LU6200,SU640

Battery 飞普斯 (Feipusi) 2300mAh Li-ion for P930/LU6200/SU640
Just bought one of these on chinese Taobao.com and it really improve batterylife! Also good quality, not crappy and without the feeling that it may blow up someday.
Good thing is, same size like original battery because i dont like the look and feel with the 3000+ mAh batteries.
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After 3,5 hours of use (some Wifi/phonecalls) still on 100%!!! No way with stock LG battery... nice one.
Edit: 5,5 hours... still on 100%, more than weird but i like it!

That can't be possible. Reboot the phone and see if it shows you a true battery percentage.
Sent from my LG-P930 using xda app-developers app

I've read those are pretty good for use, typically better than stock batteries, but that they tend to drain a little more quickly when the phone's in standby than stock batteries. Regardless, I bought a couple. They're cheap enough, I'll give it a whirl =) worst case scenario, a couple extra backup batteries for me!

AllstarE4 said:
That can't be possible. Reboot the phone and see if it shows you a true battery percentage.
Sent from my LG-P930 using xda app-developers app
Click to expand...
Click to collapse
I thought so too, first guess was that i had to clean battery stats. After that it wasn't on 100%. But still at 89% now, after more than 7 hours with wifi on... movie on highest brightness and whatever.
Let's see if the performance will last, saw a lot of chinese products starting nice but in the end... :cyclops:

What rom and kernel are you running? What have you done to preserve battery life?
Sent from my LG-P930 using xda app-developers app

Have you actually put the battery through a few full charge-discharge cycles? Without putting it through a few days of use first, it is not really possible to tell how the battery performs compared to the stock battery.
It seems fishy that this battery is the same size as the stock 1800 mAh battery, but has a 30% increase in capacity...

996gt2 said:
Have you actually put the battery through a few full charge-discharge cycles? Without putting it through a few days of use first, it is not really possible to tell how the battery performs compared to the stock battery.
It seems fishy that this battery is the same size as the stock 1800 mAh battery, but has a 30% increase in capacity...
Click to expand...
Click to collapse
I will try a few days and let you know. The battery weights more than the stock one. My wife's Lenovo phone have also 2300mAh tiny battery.
I guess the phone can't read the battery's information.
Sent from my LG-LU6200 using xda app-developers app

Interested in more in depth reviews!

been looking for something like this for a while. Should be great if you could give us a complete review & comparison. Thanks

I did not have much time the last days, here a short update.
Battery meter shows 100% for a long time, after some reboots it will go down to 90% but no change in battery meter if i dont do a reboot. Later the phone will shot down without any warning.
I will try to fully drain the battery and charge it in my phone with stock LG charger, see how this works out. I charged it with the 3rd party charger, that comes with the battery.
Also no success with battery calibration (because it won't charge if meter shows 100%) and clean battery stats in CWM.

Hi Cromson, can you test the battery calibration with Stock ICS, thanks!

To me, a battery that can't actually report its battery level (and has a questionable third party mAH claim) isn't worth ANY amount of money.
Just buy a second OEM BL-49KH battery and swap them out if you are concerned about extra bulk, and if you aren't get a Hyperion "3800" mAH battery.

hereric said:
To me, a battery that can't actually report its battery level (and has a questionable third party mAH claim) isn't worth ANY amount of money.
Just buy a second OEM BL-49KH battery and swap them out if you are concerned about extra bulk, and if you aren't get a Hyperion "3800" mAH battery.
Click to expand...
Click to collapse
Battery level is there, after some full cycle's (draining/loading) in the phone. Definitly better than stock battery, approx. 3-4 hours more time.

Cromson said:
Battery level is there, after some full cycle's (draining/loading) in the phone. Definitly better than stock battery, approx. 3-4 hours more time.
Click to expand...
Click to collapse
The fact that it cannot actually report battery level is highly suspicious. The Hyperion 3800mAh has no problems reporting accurate battery level.

So are there any other alternatives to fix the battery life? It's really horrible...what roms are you guys using?

I plan on buying this battery from ebay on Friday

Cromson said:
Battery 飞普斯 (Feipusi) 2300mAh Li-ion for P930/LU6200/SU640
Just bought one of these on chinese Taobao.com and it really improve batterylife! Also good quality, not crappy and without the feeling that it may blow up someday.
Good thing is, same size like original battery because i dont like the look and feel with the 3000+ mAh batteries.
Click to expand...
Click to collapse
I just bought this battery. I'll wipe the battery stats as soon as I get it and charge it to a 100%. How long did it take it to arrive for you? I live in the US

Battery seems to be draining slightly faster than stock for me... not sure why. On cm9 w/ ho!no! v5 kernel. The better feels a little better than the 1900mhz batteries from ebay i've tried. phone just sucks w/ battery life...

Woot woot! My battery just came in the mail today - Charging it to 100% as I type now

Battery Capacity on the 5T

Hi all,
I'm using AccuBattery Pro and it shows my phone's battery capacity is at 3106 mAh. I understand this is a 3rd party app and it probably not 100% accurate. I'm curious to know what numbers you are getting. I just want a way to validate Oneplus is indeed giving me a 3300 mAh battery. Is it even possible to do?
Is there a better battery app I can use? Let me know...Thanks.
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This app is giving you an estimate based on what it thinks your battery is charged to. Because dash charging is different and the battery itself doesn't process its own energy because the wall adapter does, the reported capacity will always be off calibration. Its the same way with my phone on a software based mAh tracker. With my battery tester i have in my garage my capacity is reported as 3300 but my actual capacity is 3221 due to the battery wear. This is my OP5 btw not the 5T.

OcazPrime said:
This app is giving you an estimate based on what it thinks your battery is charged to. Because dash charging is different and the battery itself doesn't process its own energy because the wall adapter does, the reported capacity will always be off calibration. Its the same way with my phone on a software based mAh tracker. With my battery tester i have in my garage my capacity is reported as 3300 but my actual capacity is 3221 due to the battery wear. This is my OP5 btw not the 5T.
Click to expand...
Click to collapse
Thanks. I really appreciate your response and it makes sense based on what you said. I don't know enough about the charging process or to app I'm using to doubt you. I hope you have a good Christmas and New Year. I guess I have nothing to worry about.

minhtluu said:
Thanks. I really appreciate your response and it makes sense based on what you said. I don't know enough about the charging process or to app I'm using to doubt you. I hope you have a good Christmas and New Year. I guess I have nothing to worry about.
Click to expand...
Click to collapse
If your battery life starts declining significantly such as losing 45 minutes to an hour or around a 8-10% overall idle drain in 24 hours u might have a faulty battery.

OcazPrime said:
If your battery life starts declining significantly such as losing 45 minutes to an hour or around a 8-10% overall idle drain in 24 hours u might have a faulty battery.
Click to expand...
Click to collapse
What battery tracker are you using?

minhtluu said:
What battery tracker are you using?
Click to expand...
Click to collapse
i just base my battery off of what ive done with the phone since unplugging it and what android reports in the battery chart.

minhtluu said:
Hi all,
I'm using AccuBattery Pro and it shows my phone's battery capacity is at 3106 mAh. I understand this is a 3rd party app and it probably not 100% accurate. I'm curious to know what numbers you are getting. I just want a way to validate Oneplus is indeed giving me a 3300 mAh battery. Is it even possible to do?
Is there a better battery app I can use? Let me know...Thanks.
View attachment 4360917
Click to expand...
Click to collapse
Just curious after a month what your AccuBattery stats read now? My Battery Health reading is at 86% ~ 2842 mAh. I have had the phone for about a month and this seems to be troubling if accurate.

azsl1326 said:
Just curious after a month what your AccuBattery stats read now? My Battery Health reading is at 86% ~ 2842 mAh. I have had the phone for about a month and this seems to be troubling if accurate.
Click to expand...
Click to collapse
I ended up removing the app because I didn't want to get hung up on numbers. The phone does last me all day so I shouldn't complain. What about you?

minhtluu said:
I ended up removing the app because I didn't want to get hung up on numbers. The phone does last me all day so I shouldn't complain. What about you?
Click to expand...
Click to collapse
It does last all day, however, I just don't seem to be getting the SOT numbers that others here are claiming to get. Also, I had a 64gb that I returned for the 128gb version and the first phone seemed to score better on the AccuBattery app than the 128gb version, which leads me to believe there is an inferior battery in the 128gb version.

Note 10+ battery only 4170 mah ?

It's advertised as 4300 mah however most of the battery apps are reporting it as 4170 mah. I was curious and went into Settings ->About phone -> Battery information and there's a note mentioning something about 4170 mah. Is Samsung using false advertising ?

Not false advertising, read the text
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Sent from my SM-N975U1 using Tapatalk

I have a pixel 3xl and Google advertised the battery capacity as 3,430mah and all the battery apps are showing the same capacity. Whereas the note is advertised as 4300mah, while all battery apps are reporting as 4170mah.. So regardless of the explanation Samsung put in the settings, I think they are doing false advertisement imo!

Battery is actually great, I don't see why anyone would need the 45w charger.

phaneeswar130 said:
I have a pixel 3xl and Google advertised the battery capacity as 3,430mah and all the battery apps are showing the same capacity. Whereas the note is advertised as 4300mah, while all battery apps are reporting as 4170mah.. So regardless of the explanation Samsung put in the settings, I think they are doing false advertisement imo!
Click to expand...
Click to collapse
No you are missing the point - they are saying the average rated capacity is 4300mAh, but they are choosing to show it as 4170mAh for full disclosure. Other manufacturers are just quoting the average rated mAh, while Samsung are going further and also quoting their minimum rated mAh that can be expected.

Maybe it is a safety margin as you never want to fully deplete any lithium class battery. Protecting us from ourselves?
Sent from my SM-N975U using Tapatalk

battery never depleted nor charged to max
Sent from my SM-N975F using Tapatalk

I'm pretty sure the point here is that Samsung is using big bold numbers on it's own website claiming this is a 4300mah battery. If you have to look for the fine print to get to the lesser truth, it's false advertising.

Since the s8 series, Samsung has limited the maximum charge at the hardware level to about 80%. You don't see it because the stock firmware hides it, displaying 100 instead of 80. However, if you flash another ROM or firmware which doesn't mask it you'll see it limited to 80%.
This is partly how they are getting "longer life" batteries while marketing the s8. Also, you cannot override this. It is a hard limit in the hardware itself.
Yes, it is a 4300mah battery.

phaneeswar130 said:
I have a pixel 3xl and Google advertised the battery capacity as 3,430mah and all the battery apps are showing the same capacity. Whereas the note is advertised as 4300mah, while all battery apps are reporting as 4170mah.. So regardless of the explanation Samsung put in the settings, I think they are doing false advertisement imo!
Click to expand...
Click to collapse
You're absolutely right. This looks very like false advertising. It was the same for the note 9 and the S10+. Whatever explanation they try to display, when you said 4300mah, it should be 4300mah.

Pearlblack24 said:
You're absolutely right. This looks very like false advertising. It was the same for the note 9 and the S10+. Whatever explanation they try to display, when you said 4300mah, it should be 4300mah.
Click to expand...
Click to collapse
It is 4300mah. But only charged to about 80%. Its not false advertising you are getting what is advertised.

LogicEarth said:
It is 4300mah. But only charged to about 80%. Its not false advertising you are getting what is advertised.
Click to expand...
Click to collapse
Lol, that 80% was from if you rooted cause it had to use some sort of engineering kernel it locked it to 80%. I know as I had s8+ and was rooted and was there the whole ride. They assumed people wouldn't use it if battery charge was locked lower was the assumption.

jjayzx said:
Lol, that 80% was from if you rooted cause it had to use some sort of engineering kernel it locked it to 80%. I know as I had s8+ and was rooted and was there the whole ride. They assumed people wouldn't use it if battery charge was locked lower was the assumption.
Click to expand...
Click to collapse
That 80% was because the rooted firmware did not mask it like the stock does. All the phones since the s8 limit to 80% in hardware that is how they achieved the longer life claims.
The fact the battery is being reported lower than 4300 is a dead give away they are limiting it to about 80% capacity.

Yup it's masked, I just checked against another app

80% of 4300 is 3440, not 4170.
---------- Post added at 05:48 PM ---------- Previous post was at 05:45 PM ----------
By the way it's not false advertising. Again, read the fine print. 4300 is the TYPICAL battery size. It says the typical battery size is the average of the battery sizes, and 4170 is the minimum. Means you're could be 4170. Could be 4300. Could be 4500. It's a manufacturing tolerance.
Let's say the average adult male is 5'9", so I tell you the typical adult male driver of any automobile is 5'9". Does that make me a liar when a guy 5'6" tall pulls up in a 1996 Chevy Lumina?

Mr. Orange 645 said:
80% of 4300 is 3440, not 4170.
Click to expand...
Click to collapse
If only battery capacities were measured in a linear fashion. They are not.

LogicEarth said:
If only battery capacities were measured in a linear fashion. They are not.
Click to expand...
Click to collapse
But I only think in a linear fashion.

I read through the replies. I see people say that 4300mAh is the average level, and 4170mAh is the lower boundary of some sort of confidence interval of the battery capacity. Then I am also unlucky since I see 4170 on my 10+ in third party apps. My question is that if too many people see the minimum numbers on their phones, stating that the average capacity is 4300 would be a false advertising.

AccuBattery's estimated battery size fluctuates between 4202 and 4187mah on my note10+ so far. minimum of 4170mah is correct.

entropium said:
I read through the replies. I see people say that 4300mAh is the average level, and 4170mAh is the lower boundary of some sort of confidence interval of the battery capacity. Then I am also unlucky since I see 4170 on my 10+ in third party apps. My question is that if too many people see the minimum numbers on their phones, stating that the average capacity is 4300 would be a false advertising.
Click to expand...
Click to collapse
No it would not be false advertising. You have a 4300mah battery in the phone. What a third party app says is irrelevant, they are incapable of testing the actual capacity of the battery. And as I said before, the battery is only being charged to ~80% which also throws off accuracy of these apps.

Question Want to check if battery Battery Info is correct

Hey, I bought Samsung F62 and I am getting paranoid if there is some issue with my battery
1) Can someone try to install this program
Device Info HW - Apps on Google Play
Hardware and software information app for Android devices.
play.google.com
2) turn on the "Use 'charged up to'" option from the settings
3) Restart the APP
4) Go to battery section and check for the "Charged up to" value(after the / (eg if value is 2000/6100 I need 6100))
I am getting ~6100 mAh
which is wayyyyy... lower than advertised 7000 mAh
Thank you so much for your help!

Don't concern yourself.
It's not uncommon for new batteries to show similar results.
When SOT drops to roughly 80% of it's original capacity, replace the battery.
At this point it's considered degraded and needs replacing before it fails. A battery failure can severely damage a phone with little or no warning.
A degraded cell is much more likely to fail.
Any battery swelling is a failure.
I have 2 Note 10+'s and their batteries are supposedly difficult to replace. Not so.
The right tools and techniques make it a relatively simple task. Look at a tear down vid for that model to see how tough it is or isn't.

blackhawk said:
Don't concern yourself.
It's not uncommon for new batteries to show similar results.
When SOT drops to roughly 80% of it's original capacity, replace the battery.
At this point it's considered degraded and needs replacing before it fails. A battery failure can severely damage a phone with little or no warning.
A degraded cell is much more likely to fail.
Any battery swelling is a failure.
I have 2 Note 10+'s and their batteries are supposedly difficult to replace. Not so.
The right tools and techniques make it a relatively simple task. Look at a tear down vid for that model to see how tough it is or isn't.
Click to expand...
Click to collapse
Thank you for your reply
I just bought the Samsung F62 and if there is a battery issue I can get it replaced right away, thats why I want to be 100% sure tht I didnt get a defective battery from the get go.

Shubham0779 said:
Thank you for your reply
I just bought the Samsung F62 and if there is a battery issue I can get it replaced right away, thats why I want to be 100% sure tht I didnt get a defective battery from the get go.
Click to expand...
Click to collapse
You're welcome.
Likely not.
If you're getting good SOT I would not worry.
Not knowing it's nominal power usage makes it hard to gauge though.
If it's not running warm it should get good SOT otherwise it may be the battery.
Concersely if running warm than obviously it's using a lot of battery which explains the lower SOT.
Regardless the replacement probably isn't going to be a big deal.
So enjoy the device
Do a Screen Test to check the display.
Check the sensors etc with the app DevChek.

blackhawk said:
You're welcome.
Likely not.
If you're getting good SOT I would not worry.
Not knowing it's nominal power usage makes it hard to gauge though.
If it's not running warm it should get good SOT otherwise it may be the battery.
Concersely if running warm than obviously it's using a lot of battery which explains the lower SOT.
Regardless the replacement probably isn't going to be a big deal.
So enjoy the device
Do a Screen Test to check the display.
Check the sensors etc with the app DevChek.
Click to expand...
Click to collapse
I dont think my battery life is as good as it should have been...
I had Poco X3(6000mAh) previously which had better battery life than my current F62.
Can you check out the values in the app I mentioned. It will be a great help. Thanks
Btw I am not the creator of that app and that app doesnt even have adverts so I am not gaining anything except release from my paranoia.

Shubham0779 said:
I dont think my battery life is as good as it should have been...
I had Poco X3(6000mAh) previously which had better battery life than my current F62.
Can you check out the values in the app I mentioned. It will be a great help. Thanks
Btw I am not the creator of that app and that app doesnt even have adverts so I am not gaining anything except release from my paranoia.
Click to expand...
Click to collapse
Someone?

Shubham0779 said:
Someone?
Click to expand...
Click to collapse
Just checked.
I have 1757/6277.
I have rooted Samsung F62. Let me know, if you need anything else.

Gsc9111 said:
Just checked.
I have 1757/6277.
I have rooted Samsung F62. Let me know, if you need anything else.
Click to expand...
Click to collapse
Thank you soooooo... much!

Shubham0779 said:
Hey, I bought Samsung F62 and I am getting paranoid if there is some issue with my battery
1) Can someone try to install this program
Device Info HW - Apps on Google Play
Hardware and software information app for Android devices.
play.google.com
2) turn on the "Use 'charged up to'" option from the settings
3) Restart the APP
4) Go to battery section and check for the "Charged up to" value(after the / (eg if value is 2000/6100 I need 6100))
I am getting ~6100 mAh
which is wayyyyy... lower than advertised 7000 mAh
Thank you so much for your help!
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Click to collapse
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Actually the battery mah is 6800 but it advertised 7000.

rc chanu said:
View attachment 5437377
Actually the battery mah is 6800 but it advertised 7000.
Click to expand...
Click to collapse
Also wear is wayyyy... more than what its supposed to be

yess sadly

How many years does Samsung support their phones with spare batteries when you eventually need to replace it or do they expect us to just chuck their latest and greatest phone out and buy a new phone every 2 years, rinse and repeat?

Out of curiosity for everybody that has already rooted are you able to check the following:
1. Possible to disable the power hungry Mongoose cores completely? This is a major source of power drain when not gaming
2. What are the default cpu and gpu governors and their respective governor tunable settings? Please post screenshots from a kernel manager
3. Can you disable schedUtil governor and allow cores to be switched off keeping only the power sipping A55 cores on?
4. How much is your active drain per hour? 10-15%/hour and standby drain per hour? Losing 5-10% every night or do you use greenify etc?
5. Please post your battery usage stats with general use SOT you achieve using GSam or Better Battery Stats which shows deep sleep stats
I have rooted Samsung F62. Let me know, if you need anything else.
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