yashsingh1/xdaforums huggingface dataset:
[Xiaomi Mi 8 Real Life Review] makmak001:
But isn't it possible for the team to change that? Is there a link for the apk?

Thank you
[Xiaomi Mi 8 Real Life Review] Stoffl_:
No clue.

Only relevant information I found was a Mido thread:

https://en.miui.com/thread-1987637-1-1.html

They modified TeleService.apk. Don't ask me how.

*edit*

OK the guide is also linked.. So if you've got root and android sdk you can fix it.

http://en.miui.com/thread-538223-1-1.html
[Xiaomi Mi 8 Real Life Review] neuTrue:
Here is an update for the battery life with 10.1.1 and 10.1.2.0.

With 10.1.1 the life is way worse than 10.0.3, screenshots might show high SOT, but the standby is worse. At that time, was using my phone way lighter than my typical usage (not taking photos, didn't use Lightroom, etc...).

With 10.1.2, and thanks to [MENTION=5214038]gatsuu[/MENTION] / [MENTION=403772]Stoffl_[/MENTION] , was running the rom with LTE/WCDMA from the first day. There is definitely an improvement when compared to 10.1.1.

First screenshots (10.1.2 - #1) was behaving a bit strange, it was on the new year. Spend the time reading + watching Youtube, and the battery life was even worse than 10.1.1. Things changed with the 2nd run, the battery is comparable to 10.0.3.
[Xiaomi Mi 8 Real Life Review] Stoffl_:
Try turning off "non interactive scenes" in battery settings.

People are reporting much lower standby drain that way on global stable.

Also seems to improve the situation on global beta.

Shoutout to goldganja on miui forums
[Xiaomi Mi 8 Real Life Review] IoIam:
How do you people get 9h sot
[Xiaomi Mi 8 Real Life Review] IoIam:
Yes but then what do you need your screen for? ?
[Xiaomi Mi 8 Real Life Review] najabi:
How much is your Cell Standby % in your 11h SoT cycle?
[Xiaomi Mi 8 Real Life Review] najabi:
Thankx. I think it's the average among us users. 10% and more is definitely too much energy for cell standby on any phone. Specially Pocophone, which has identical Snapdragon 845 processor, stays at 1% for some user, and in line with most phones in the market (at most ~3%). That 9% difference should go to the screen or apps instead of cell reception. I suggest we promote a bug in MIUI forums to call attention or an explanation for this.
[Xiaomi Mi 8 Real Life Review] JuanManuel22CasaÃ±as:
mi 8 sot

Hi. I have Xiaomi eu 12.1 (weekly) in my Mi 8 global and the SOT at the end of the day is as much 4 fours, i think its really bad. If i install Xiaomi Eu 11 stable, my SOT will be improve? If its not, what solution could you give me?
[Xiaomi Mi 8 Real Life Review] siang930615:
eu 12.1 i also get around 4~5 SOT only

but eu 11 stable i able to 6 hours
[Xiaomi Mi 8 Real Life Review] gamerOfDevelopers:
5+ hours. From full to flat.
[Xiaomi Mi 8 Real Life Review] XDA_RealLifeReview:
When you sleep, does your phone sleep, or does it stay up all night and crunch 1s and 0s? Rate this thread to express how you deem the speed at which the Xiaomi Mi 8's battery drains under standby conditions. A higher rating indicates that when the phone is not in use, the battery drains minimally.

Then, drop a comment if you have anything to add!
[Xiaomi Mi 8 Real Life Review] javierortiz2:
Hi all, i use china rom and i can show you how los is draining when idle( the phone was in my night table) overnight.
[Xiaomi Mi 8 Real Life Review] cirrus888:
I would say there's a 15 -20% drain overnight, I've had my Mi 8 for about a month.

9.5.11.0 Rom
[Xiaomi Mi 8 Real Life Review] japancakes:
That's terrible. I moved to 9.5.13 Global and my drain was about 3% last night.
[Xiaomi Mi 8 Real Life Review] _katho_:
Yeah no problems with drain here either, run xiaomi.eu MIUI 10.
[Xiaomi Mi 8 Real Life Review] cirrus888:
My bootloader is locked. I can't install other roms. My main concern isn't the battery drain however as it charges up so damn fast. I have GPS issues, it's really slow and it constantly gets turned off despite given all permissions for google maps.
[Xiaomi Mi 8 Real Life Review] jerrefurtor:
3-8% drain over the night

Chinese rom: 9.5.11.0
[Xiaomi Mi 8 Real Life Review] krispin:
Hi, I have xiaomi.eu 10.10.18 rom and I have I think serious drain. In GSam it looks like this. Anybody else have that RCS phone app using that much juice?
[Xiaomi Mi 8 Real Life Review] anstelios:
There's big problem with cell standby brain on this phone!!
[Xiaomi Mi 8 Real Life Review] makmak001:
yeah, also on xiaomi EU 10.1.2 and got problems with cell standby.... it takes around 21%.....
[Xiaomi Mi 8 Real Life Review] Stoffl_:
5-7% overnight on global beta 8.12.20, network mode set to LTE/wcdma and adaptive battery enabled.

Always on display enabled
[Xiaomi Mi 8 Real Life Review] hkwildboy:
The cell standby is not a direct reflection of the power drain, it only shows the proportion of battery usage compared to other components. e.g. if you have the screen on for long time, then the cell standby for the same period will be relatively small.

You can check out from my test. My phone can have cell standby of 34%, but the battery only drops less than 2% overnight! I'm on Global Stable v10.1.2.0 through OTA update.

[IMG="batttery"]http://images.mobilism.org/?di=OXZ0167D[/IMG]
[Xiaomi Mi 8 Real Life Review] Stoffl_:
Yes, posting screenshots of your battery usage without mentioning or also posting screen on time is completely useless.

Mobile standby dropped for me with similar or less amount of SOT after switching network mode.
[Xiaomi Mi 8 Real Life Review] nsfnd:
Miui Global 10.1 Stable 10.1.1.0 (PEAMIFI)

Battery lasts more than 3 days with these settings.

If i let wifi on, it drains 15-20% while i sleep.

Preferred network type = 3G

Wifi, bluetooth, gps are off when not in use.

Debloated using MIUI 10 De-bloat (Then i installed Google Phone,Contacts,Messages)

Facebook,youtube,9gag vs.. for these kind of apps, i go to their mobile websites in chrome and use "Add to home screen"

Installed Greenify, i actully dont know if this app makes any difference.
[Xiaomi Mi 8 Real Life Review] xfury94:
Alot better battery on custom rom

When I was using MIUI 10 Oreo battery was great between 8:30h and 10h SOT then I updated to pie and man what a horrible mistake battery came down to 6:30h 7:30h SOT, now I'm using pixel experience and getting between 8:15 to 9h SOT.
[Xiaomi Mi 8 Real Life Review] Stoffl_:
Since Xiaomi isn't responding to the Bug thread on MIUI forums:

https://twitter.com/_Princeps_/status/1082926593331343360

Please retweet this if you have an account so we'll maybe get a fix for all these MI 8 battery issues.
[Xiaomi Mi 8 Real Life Review] najabi:
9% drain in 7 hrs by night, 2-day total radio stand-by drain 15%

I get 9% (too much) discharge in 7h by night (wifi and LTE radio on) while I sleep, no display use and most apps shut down, and few wakelocks (0.5% total time). Something's wrong with the radio. I am on LTE/UMTS auto (PRN), 9.1.3 EU, Sphynx kernel. Radio usage is 38%, and Wifi 5%. I get full bars of LTE at 1815MHz band 3 (Net Monster RSSI -59 dBm, RSRP -87dBm). NetGuru reports driver bug and won't start.

When I set Airplane mode or turn off the phone by night discharge is minimal (~3%).

In more than 2 days on battery with intense screen use (14h SOT), total standby-drain is 15% (too much), and display drain is 26%. Wifi and radio was on most of time.

¿What's the conclusion? This phone drains on stand-by. Battery life is good in general, but stand-by should be less than 9% in 7 hours, I'm sorry.

P.D.: I will try Syberia rom, maybe we need updated kernel with better radio drivers...
[Xiaomi Mi 8 Real Life Review] Stoffl_:
The conclusion is that the baseband is ****ed.

There's all kinds of weird stuff hapening and it appears that at least one of the issues is that the MI 8 will always follow the MIUI/Android configured network mode instead of the SIM card overriding regional differences.

Lemme copypasta my own post from the MIUI/Xiaomi.eu forums:

This also means that 2G fallback just doesn't work for me because there's no LTE/WCMDA/GSM setting available. That stuff is kinda hard to troubleshoot but I went to a spot that has very bad 4G reception, no 3G at all, but acceptable 2G.

Went through almost all network modes and the only instances where it'd succesfully fall back to GSM/Edge was when set to GSM only, TD-SCDMA/GSM (useless) or LTE/TD-SCDMA/GSM (also useless because then you get no 3G)
[Xiaomi Mi 8 Real Life Review] najabi:
Interestingly, I have analysed the wakelocks by night, and even if they don't add much to battery, some of them seem to be Xiaomi's metric apps that 'report to base' every 2-3 hours and wake-up the phone 133 times more than Whatsapp, Messenger and GooglePlay.....
[Xiaomi Mi 8 Real Life Review] Stoffl_:
Oh yeah uninstalling those metrics apps surely helps with standby drain.

Someone posted the short guide a couple weeks ago....had forgot about that:

https://xdaforums.com/mi-8/help/extremely-battery-drain-miui-10-stable-t3843702/page4

That certainly helped lowering "Android System" drain. They'll stay uninstalled after updates and will only reappear after a factory reset.
[Xiaomi Mi 8 Real Life Review] thrillseeker:
My phone is Mi 8. I have normal battery drain when I'm at home (3% for 7 hours when I'm sleeping). For now my problem when driving is miraculously gone (mostly). I did't change anything. Up till now my phone was in full awake state when driving. Now I still get some awakes but it's nowhere near to full awake state and battery drain is mostly normal now. I will try radaans' suggestion and will share my experience.
[Xiaomi Mi 8 Real Life Review] najabi:
Any example? I don't understand how can system be unstable after disabling some apps. The phone will either work or not work. I have disabled 54 apps both user and system from Miui 11 stable (and also deleted 3 ruthless apks) and system works ok. You only lift off ongoing processes. Some specific funtion settings don't work but that was intended when disabling them.

I have only experienced system reboots or looping error messages when disabling some miui core security apks.

I find android apks additive in functionality and independent at the same time. There are dependent apks for sure, but if dependency is not installed it won't function. For example Calendar: com.android.calendar, com.android.providers.calendar, com.google.android.syncadapters.calendar. I have all 3 disabled since I use Outlook Calendar.
[Xiaomi Mi 8 Real Life Review] Jhonny B:
I'm sorry, the problem is with you.

The fact that most applications are still working but you have problems with the entire system proves my main claim:

you caused damage to their dependency applications, so your system "goes bananas".
[Xiaomi Mi 8 Real Life Review] najabi:
Oh, I'm sorry too myself. No problem with me, I'm fine thanks.

What I meant is that it is true that if you disable specific system apps, the system can go bananas.

But there many other that you can disable safely, because many are not dependent on others, most apks are designed to be independent, if their dependencies are not met they simply won't work, but phone is usable.

Most user apps can be disabled safely. I have only had problems disabling system apks such as: com.miui.securitycenter or com.miui.securitycore. Of course there are many more that if you disable, system will go bananas..:good:
[Xiaomi Mi 8 Real Life Review] Jhonny B:
system can go bananas.

I'm sorry, I answered you several times.

You're stuck in yours and I'm in mine.

I don't know and can't help you anymore.

Good by.
[Xiaomi Mi 8 Real Life Review] najabi:
Hello. After months with this phone, I can conclude that its standby drain due to mobile signal is around 5-7% total full cycle depending on reception. In airplane mode, offline, it is about 1-2% per 8 hours.

Mobile standby has always been high for this phone compared to others (2-3%), its antenna draws for a good signal.

It's not a big deal, since I can get up to three days of battery from full charge, and most drain comes from apps and screen.
[Xiaomi Mi 8 Real Life Review] Jhonny B:
I am happy for you.....
[Xiaomi Mi 8 Real Life Review] Hellboy4:
you sure ? you happy for him?

lol. 5-7% drain overnight is horrible.
[Xiaomi Mi 8 Real Life Review] najabi:
Well, I think I misplaced the value for airplane mode. it's certainly less than 1% per hour. Maybe 1-2% per 8 hours.
[Xiaomi Mi 8 Real Life Review] Theseus09:
So big problem for me...

Mi 9 se, 25% cell stand-by in 100%-20% Battery in 34Hours

What is very terrible is 8-9% drain during the night in airplane mode.

I' ve just hard reset the device and I have only Whatsapp installed as third party app.

I debloated already with ADB uninstalling many things.I have this devices since 3 months and in the beginning the battery life was better at least during the night.
[Xiaomi Mi 8 Real Life Review] najabi:
As you can see from a yesterday bugreport of 35hrs20min of battery, I get 2% discharge in 8hr46min of offscreen airplane mode.

Cell Standby discharge was 4.50%, Power top was: Unaccounted 11%, Chrome 18%, Screen 17%, Whatsapp 8%, Android 6%, Cell 4%, Google Services 4%. Except for Unaccounted that I want to diagnose, this is normal.

Screen Off Discharge Rate (%/hr)	0.67 (Discharged: 20%)

Screen On Discharge Rate (%/hr)	13.89 (Discharged: 75%)

Screen On Time	5h23m58.168s

Screen Off Uptime 3h7m42.663s
[Xiaomi Mi 8 Real Life Review] Theseus09:
Well

after the hard-reset and some changes on settings with everything off, the nightime drain is only 1-2%.

The problem is still the cell standby which is around 20%.

I tried often to set on LTE/WCDMA but randomly goes back to default without reboot the device.

I use MI9SE
[Xiaomi Mi 8 Real Life Review] gamerOfDevelopers:
- 1 % per hour.
[Xiaomi Mi 8 Real Life Review] najabi:
Hi back..

I think it does for me.. I've seen it fallback to 2G several times -temporarily- on various multimodes aside from GSM only, like LTE/UMTS auto (PRN). Maybe it depends on the carrier...
[Xiaomi Mi 8 Real Life Review] Stoffl_:
I did check with 2 different Sim cards / mobile providers but who knows....

What happens when you set network mode to "td-scdma only"? No connection?

Also, on "global auto (prl)" - do you get 4g or 3g?
[Xiaomi Mi 8 Real Life Review] najabi:
No connection

About Phone and SIM info says: UMTS Voice, UMTS Data -63 dBm, 13 asu

NetMonster says Movistar 3G * HSPA + DC 2100, signal RSCP 3G 2100, -67 dBm
[Xiaomi Mi 8 Real Life Review] Stoffl_:
Ok so same results as on my end. Thanks for checking. :)
[Xiaomi Mi 8 Real Life Review] GoldGanja:
So, just to share my 2 cent about the drain:

the first image show that during the first hour, even if the network selected was LTE/TD-SCDMA/UMTS (so the default), with a great signal the drain was close to zero (see the second screenshot from BBS) .... as you can see Cell Standby was as always incredibly high but this did not effect the idle drain that much.

After that i was going to sleep, bit of browsing and i choose to turn on Airplane mode ... as you see the drain was about 1 / 2 % for the whole night.

Other changes that i did was to set the location service to device only (as you can see GPS goes on during the night, that tiny bar).

Right now the situation is shown in the 4th and 5th screenshot, i'm at work and the reception is bad... drains much much more... while i'm posting this i'll change to LTE/UMTS (prl) (and setting a custom reference on BBS) and see if something change but i'm not so sure about it. Mostly because me and my girlfriend use the same mobile carrier, and her redmi 5 plus with LTE/TD-SCDMA/UMTS NEVER show Cell standby.

I really think that the baseband firmware of mi 8 have something fishy about it...

I'll update this post when the battery reach 30 / 40 % , and i'll use battery historian ( for the last screenshot)

I don't know if this can help understand whats wrong but my hopes are slimmed...
[Xiaomi Mi 8 Real Life Review] GoldGanja:
So after 38h 36m 43s and the battery at 40% i took my bugreport and pushed it into battery historian, let's look at it:

Screen Off Discharge Rate (%/hr)	0.50 (Discharged: 17%)

Screen On Discharge Rate (%/hr)	8.76 (Discharged: 41%)

Screen On Time	4h40m45.744s

Screen Off Uptime	2h23m25.512s

Userspace Wakelock Time	59m33.519s

look at this screenshot and analyze it a bit:

So the first hour or so, the network mode selected was the default one (LTE/TD-SCDMA/UMTS) , i had great signal and the drain was close to zero as already said in previous post.

But notice this, on the line Phone State....there is nothing... as soon as i change to LTE/UMTS (prl) phone state changes. Blu bar is OFF (because i was in airplane mode) but BLACK bar is ON even if i was not calling or anything.

ID	Name	Count / Hr	Seconds / Hr	Total Num	Total Duration	Max Duration

0	ScreenOn	3.29	436.08	127	4h40m37.801s	49m41.861s

1	CPURunning	139.15	610.15	5373	6h32m39.198s	49m42.233s

2	TotalSync	2.64	0.76	102	29.169s	8.207s

3	RadioOn	9.06	197.16	350	2h6m52.898s	3m18.802s

4	PhoneCall	0.08	6.93	3	4m27.665s	2m8.984s

why the radio on even if phonecall is just 4m ?

Now look at the Doze bar.... Yellow means light doze, blue is full doze. It's the first time i see a BLU bar...why? Because i was in airplane mode...so our mi 8 goes down FULL DOZE only when it's in airplane mode, and i don't think this should be the correct behavior.

Update: just checked bug report from a redmi 5 plus...it goes in full doze... and not with the help of airplane mode.

The first 5 kernel wakeup reasons are: (Ranking / Name / Duration/Hr / Count/Hr / Total Duration / Total Count)

0	Abort:Wakeup IRQ detected during suspend: 113 WLAN_CE_2	1m6s476ms	105.59	42m46.778s	4077

1	Abort:Wakeup IRQ detected during suspend: 665 qpnp_rtc_alarm	15s363ms	27.87	9m53.228s	1076

2	Abort:Pending Wakeup Sources: qcom_rx_wakelock, handle process cds_ol_rx_threa	4s93ms	5.39	2m38.045s	208

3	Abort:Some devices failed to suspend, or early wake event detected	6s393ms	4.14	4m6.876s	160

4	Abort:Wakeup IRQ detected during suspend: 103 qcom,glink-smem-native-xprt-modem	1s562ms	4.01	1m0.316s	155

i'll try to investigate wtf is this wakeup irq wlan_ce_2 but for now i really don't know what this is ....it could be related to IPv6 but not sure.

http://www.miui.com/thread-14493918-1-1.html seems that this problem is present even on other devices

That's it for now, i suggest all of us to use battery historian to have a better grip on what's going on.

Make a bug report and upload it here https://bathist.ef.lc/
[Xiaomi Mi 8 Real Life Review] najabi:
Hi GoldGanja,

Interesting about Battery Historian.

Wow, too much information and various scenarios. I don't understand what you're trying to prove.

I think in general, it's proven that changing from LTE>TD-CDMA to LTE>WCDMA or LTE>UMTS (PRN auto) is beneficial to cell standby battery in general.

They say in last beta EU rom changelog, 9.1.10, that have included UMTS by default so we're good to go.

What I try to prove now is, even on LTE>UMTS, cell standby connectivity drain is still high, compared to other phones such as a Mi A1, with good signal and no handover.

In my case, so far I am analyzing with System Panel, which I like because it gives partial mAh data on Cellular Connectivity, and not just %, and allows me to zoom on particular time history, to assess in total and partial. Percentages are tricky because it depends on rest of system. For example, 50% cell drain may be desirable, because it indicates that the rest of the system is idle.

What I see is that cell consumption is 6 times proportionally that of Mi A1, both in total consumption and at any time. For that I have recorded data with both phones during 7 hours idle screen off. Mi 8 drains 45 mAh of cell, and Mi A1 just 5 mAh. In 30-minute flattest graph, Mi A1 drains 0.5 mAh, Mi 8 3mAh, which is consistent 6 times.

In total 7 hours, Mi A1 drained 3%, and Mi 8 7%. For this I have set both phones at the same place, same cell provider, LTE, to have a consistent comparison.

In general Mi 8 drains a total 9% of battery usage (not just 7 hours , 53 hours, always) just for LTE cell connectitity, and almost at the same place. It is too much.

I analize this on this post

What do you think?

Does anyone replicate cell connectivity drain on idle?
[Xiaomi Mi 8 Real Life Review] GoldGanja:
I think that cell standby it's not the root problem of the drain, i had this when i was on Oreo...still battery was much much better. Plus changing to another network (like LTE/UMTS prl) somehow switch on the radio interface as you can see from the screenshot and i bet that the drain is worsened . I bet that there is something wrong with the baseband firmware

Plus,

same operator same house

different device...the redmi 5 plus have ZERO cell standby.

FULL DOZE is not achieved by our MI 8... it goes if full doze only when in airplane mode. The redmi 5 plus goes in full doze during the night without toggling the airplane mode (checked with battery historian) [can't say for OREO rom because i didn't checked when i was on Oreo, battery was amazing and i didn't start any investigation]

If by the end of February this damn drain is not solved i'm going to unlock the bootloader and put back Oreo or a Custom Rom.
[Xiaomi Mi 8 Real Life Review] najabi:
I see. So the problem seem to be in the radio firmware. We can only revert to Oreo (antirollback?) rom then. Radio firmware image seem to be flashed on different partition than kernel or system. That's why other pie ROMs need official firmware. Maybe I try Oreo Miui to check cell standby/doze...:good:

But How can we flash Oreo miui.eu v.9 or other Oreo Rom from v.10 without bricking the phone because of ANTIROLLBACK?:confused:
[Xiaomi Mi 8 Real Life Review] GoldGanja:
I've already checked, both pie ROM and last Oreo have the anti roll back variable set to 1... So we should (as another guy on the official forum told) be able to flash by mi flash ... I'm still not sure about relocking the bootloader. I'll check before I try this and anyway I'll report back if anything goes wrong. Better to lose one device then many...even if the one is mine.

As I told you, even if both Oreo and Pie suffer from the baseband firmware, Oreo was far better battery wise.

I've asked on the official forum about this... A guy did it as he says... If I have any news I'll write it down here.

Do you wanna know what a MIui device team member answered me about the battery drain?

"No promises" ...like wtf dude... ( I have the screenshots)

This is the kind of support we are getting by this people
[Xiaomi Mi 8 Real Life Review] najabi:
Thanks, Ganja. I undestand better now.

I have anti: 1 now too so I should be able to flash last Oreo xiaomi.EU. :)

I have searched but can't find the download links. Are you so kind to post it?

I'll flash tomorrow 9.1.10 and check LTE>UMTS change and also cell stand-by drain by night. Probably I'll flash Syberia rom and check again. Then maybe I flash Oreo EU and compare the difference.

Cell Standby Drain can't be 13-15% total. It's too much.

I have faith they will fix the modem.img radio firmware baseband bug if we insist enough, same as they seem to have fixed LTE>UMTS. (EU or Global)

Step by Step....