Question why do custom roms improve more performance? why are some original roms so bad? - Xiaomi Poco F3 / Xiaomi Mi 11X / Redmi K40

I saw several people installing custom roms and the performance of the device improved a lot! I would like to know how these roms do it

If we talk about MIUI here it's full of bloat and far from AOSP (stock Android) and I think the focus is features, over performance.

theoneofgod said:
If we talk about MIUI here it's full of bloat and far from AOSP (stock Android) and I think the focus is features, over performance.
Click to expand...
Click to collapse
They also clearly copy some UI Design from iOS
which is not bad... It looks good.
But my biggest problem with MIUI is that, it breaks standard Android features.
Like broken Gestures on 3rd-Party Launchers.
Or the MIUI Permission-system breaking apps like Instagram.
or MIUI's battery optimisation being too extreme...
I don't hate MIUI, but it's 很胖 (very fat)

Custom ROMs are not bad per se, but they are made for ppl who want their phone to run without gving it too much thought. MIUI is not the worst Stock ROM imho, but clearly made for John D. Noob.
If you debloat MIUI, you can get along with it if you don't need to much customization.
Btw, battery is usually best on stock ROMS in my experience.
But if you want real control over your phone, or need features that the manufacturer doesn't want you to have, you deffo need a custom ROM.
Also, you need to take into account that a manufacturer doesn't earn a penny for giving out updates and patches, so they tend to keep their fuzz to a minimum.

I usually move away from a stock rom as updates are slow to arrive.
When i was looking for a upgrade for my LG G7, i settled for the F3 because it was Very good value for money, was easy to unlock and had great Dev support on XDA.
For me the other downside of a MIUI stock rom apart from the bloat ware and slow updates, was not being able to use my Samsung Smartwatch as a trusted device, as Miui Stock would only permit Xiaomi devices.
Switching to the Evo-X rom, gave me back all the functionality I needed and is fast enough for me.

tanukitanuki said:
I saw several people installing custom roms and the performance of the device improved a lot! I would like to know how these roms do it
Click to expand...
Click to collapse
custom roms, nah
custom modifications, yes
you can reach same or more performance on stock, if you just modify it
most or all custom roms are modified by the rom dev ofcourse, that is why its got better performance than stock

tanukitanuki said:
I saw several people installing custom roms and the performance of the device improved a lot! I would like to know how these roms do it
Click to expand...
Click to collapse
Stock roms add much more functionality, then become bigger and slower
Customs roms are mostly based on AOSP, which is pure android. Less functionality = Lighter and faster rom
And for customs roms like Xiaomi.EU, well they simply edit some parts of the rom, adds fixes and remove some useless stuff, which again make the OS lightweight and faster
of course, that's more complicated in fact, and lighter rom doesnt mean faster, you can make a very heavy system work very fast with optimization. 'Optimization', you see, a word that most of roms dev like Xiaomi doesnt know about

MacTavishFR said:
Stock roms add much more functionality, then become bigger and slower
Customs roms are mostly based on AOSP, which is pure android. Less functionality = Lighter and faster rom
And for customs roms like Xiaomi.EU, well they simply edit some parts of the rom, adds fixes and remove some useless stuff, which again make the OS lightweight and faster
of course, that's more complicated in fact, and lighter rom doesnt mean faster, you can make a very heavy system work very fast with optimization. 'Optimization', you see, a word that most of roms dev like Xiaomi doesnt know about
Click to expand...
Click to collapse
dont go around dissing devs without knowing anything about them
pretty sure devs hired by big companies like xiaomi would know about optimizations better than any custom rom dev
when custom rom devs start making bug free roms, go around dissing stock devs as you like

If you have a sub-flagship or flagship device it doesn't matter if that's a Xiaomi or not changing your rom into custom rom is kinda useless, because the stock rom is good enough and more stable(not 100% stable) and if you longing for more performance for flashing an AOSP base rom it's kinda useless base on my experience because it only increases like 1-2% in pure stock no modifications especially in Poco F3.
For me AOSP roms are only good for midrange and lowend devices, i have spare phone here it's RN8 and i changed my rom from MIUI to AOSP and the difference is night and day my mind is blown to the ram management.

From the first day i was in ArrowOS because Miui roms was a little poor in performance, not so much fast like AOSP roms, but one day i tried one of the last stable Miui EU roms and i was impressed how good became, sound and haptics it's just much better than AOSP, autobrightness works as intended, camera it's better that Gcam and SOT it's (in my use, the same).
So i'm with the last comment, in Poco F3 i think the last MIUI EU for example isn't bad, phone runs well and all works. Just tried the last Stable MIUI 13 and now the MIUI 14 EU beta build and i think it's a little more smooth than previous build.
I think any phone with A13 will run smoother than A12.1 builds, in my old Mi A1 just noticed that (and it's too old).

Wmbruckner said:
Also, you need to take into account that a manufacturer doesn't earn a penny for giving out updates and patches, so they tend to keep their fuzz to a minimum.
Click to expand...
Click to collapse
Nah, dude.
They took money in advance for that. On the other hand, people buy pixel devices because they have updates guaranteed.
They do earn money from it indirectly. A lot. Otherwise it wouldn't have been a thing.

Related

Custom Rom Performance

Hey guys.
Just want to know your thoughts about ROM performance in terms of smoothness on different roms.
I was a long time user of tylers RR build and it was really fluid.
Now i am back on Imperium since a month (because of camera) and its overall UI performance is worse that RR.
Can you please give me some thoughts about your experience in UI/ROM peformance on Rom/builds?
thx
pOpY
popy2006 said:
Hey guys.
Just want to know your thoughts about ROM performance in terms of smoothness on different roms.
I was a long time user of tylers RR build and it was really fluid.
Now i am back on Imperium since a month (because of camera) and its overall UI performance is worse that RR.
Can you please give me some thoughts about your experience in UI/ROM peformance on Rom/builds?
thx
pOpY
Click to expand...
Click to collapse
Well I'm not surprised you experience worse UI performance on Stock based ROMs, overall in my experience the UI performance in AOSP Custom ROMs is way more fluid and smoother, but the performance in apps is slower than in Stock based ROMs. A bit longer load times, less frame rate's but a more stable frame rate in games and a bit less responsive after a long period of use. For me the camera performance and photo and video quality on Stock based ROMs outweighs AOSP ROMs and that keeps me close to Stock. I have used Dualboot Patcher for a while so I could use AOSP ROMs as my primary ROM and and a Stock based ROM as my secondary ROM so I could still enjoy a fluid and smooth UI and the camera performance of Stock when needed. I really dislike the micro stutters I experience on Stock, especially when I'm scrolling. But I dislike my phone getting slow after a long period of usage even more, which forces me to reboot my phone regularly. So because of that I am running a Stock based ROM as my primary ROM for now.
Mr.FREE_Bird said:
Well I'm not surprised you experience worse UI performance on Stock based ROMs, overall in my experience the UI performance in AOSP Custom ROMs is way more fluid and smoother, but the performance in apps is slower than in Stock based ROMs. A bit longer load times, less frame rate's but a more stable frame rate in games and a bit less responsive after a long period of use. For me the camera performance and photo and video quality on Stock based ROMs outweighs AOSP ROMs and that keeps me close to Stock. I have used Dualboot Patcher for a while so I could use AOSP ROMs as my primary ROM and and a Stock based ROM as my secondary ROM so I could still enjoy a fluid and smooth UI and the camera performance of Stock when needed. I really dislike the micro stutters I experience on Stock, especially when I'm scrolling. But I dislike my phone getting slow after a long period of usage even more, which forces me to reboot my phone regularly. So because of that I am running a Stock based ROM as my primary ROM for now.
Click to expand...
Click to collapse
thx a lot for your feedback!
Thats a good idea with dualboot patcher, but (for me) not really practical
Your experiences coincide with mine!
In my case i also had thermal issues with AOSP roms -> cpu runs hotter quickly than on stock.
Did you also experienced such a behaviour?
Which AOSP rom do you use?
And which do you think has the best (UI) performance?
thx
pOpY
popy2006 said:
thx a lot for your feedback!
Thats a good idea with dualboot patcher, but (for me) not really practical
Your experiences coincide with mine!
In my case i also had thermal issues with AOSP roms -> cpu runs hotter quickly than on stock.
Did you also experienced such a behaviour?
Which AOSP rom do you use?
And which do you think has the best (UI) performance?
thx
pOpY
Click to expand...
Click to collapse
No problem! :good:
Oh, for me the CPU on AOSP ROMs actually ran a bit cooler and heated up less quickly than on Stock. Although my G4 never really runs that hot even on Stock. And I forgot to mention that I get better battery life both in stand by time and average SOT while running a AOSP based Custom ROM.
At the moment I run a Stock based ROM on my G4 but I have used CyanogenMod till it's end and it's successor Lineage OS which it's pretty much the same but under a new name . I've also tried other ROMs but most of them where based on CM and are based on Lineage OS and they pretty much performed more or less the same. So no big differences.
That's why i do not use any more customs roms...
It's on the decline !
I agree with you !
-camera and video quality lost
-lost performance after a long usage
-lost customer patent and innovation
-lost the pure performance on games
-the modem is not as well as exploited as customers firmwares (sometime bad network quality on customs)
-always minors buggs and sometime big buggs
-near all devellopers wait for Lineage source (Lineage spend 1 year to build an android version and it's never "perfect"....and lots of merges,abandon,clean... on their source all the time,it's never stable and finished)
- on RR,DU...etc....you remove design customizations and you see an empty poor rom
-you loose FM radio function and there never have had effort by the dev for to port an alternative like spirit-fm radio (this dev have had big succes with some very difficult phones ,and som LG)
-you have much more chance than stock to have battery drain with some system process (the main cause of stocks firmwares drain is the google apps ! )
Maybe a custom rom is good for low and some middle-end devices (principaly for to have a light rom.....and hardwares are not the best on these devices ) but completely useless for hight-end device like G4...that's my opinion !
I use a MM firmware + simpleGX 2.0.3 kernel and i'm very happy ! Very good...
Loulou-13 said:
That's why i do not use any more customs roms...
It's on the decline !
I agree with you !
-camera and video quality lost
-lost performance after a long usage
-lost customer patent and innovation
-lost the pure performance on games
-the modem is not as well as exploited as customers firmwares (sometime bad network quality on customs)
-always minors buggs and sometime big buggs
-near all devellopers wait for Lineage source (Lineage spend 1 year to build an android version and it's never "perfect"....and lots of merges,abandon,clean... on their source all the time,it's never stable and finished)
- on RR,DU...etc....you remove design customizations and you see an empty poor rom
-you loose FM radio function and there never have had effort by the dev for to port an alternative like spirit-fm radio (this dev have had big succes with some very difficult phones ,and som LG)
-you have much more chance than stock to have battery drain with some system process (the main cause of stocks firmwares drain is the google apps ! )
Maybe a custom rom is good for low and some middle-end devices (principaly for to have a light rom.....and hardwares are not the best on these devices ) but completely useless for hight-end device like G4...that's my opinion !
I use a MM firmware + simpleGX 2.0.3 kernel and i'm very happy ! Very good...
Click to expand...
Click to collapse
thx for your input!
Which MM Firmware do you use?
thx
The last MM for my country, v20i "France" ...rooted with simpleGX kernel...
Loulou-13 said:
The last MM for my country, v20i "France" ...rooted with simpleGX kernel...
Click to expand...
Click to collapse
Lineage os now is for old phone to revive them [emoji41]
Loulou-13 said:
The last MM for my country, v20i "France" ...rooted with simpleGX kernel...
Click to expand...
Click to collapse
Sent from my LG-H815 using Tapatalk
Now using Imperium v13 with SimpleGX Kernel, that combo is really good from performance view

Need A stable Rom

Camera must good quality ?
Maby a no brainer... OOS stable?
This is not a babysitters club. Go try them out and see for yourself.
zelendel said:
This is not a babysitters club. Go try them out and see for yourself.
Click to expand...
Click to collapse
And delete the thread. Thanks!
Stable and good camera. Stay on OOS, simple as that
what about aospa?
LOS is stable and if you know what to do even with a good camera quality. But for ppl not able to test around I fully support the OOS suggestion.
Stick to stock OOS. Custom roms can never be as stable as stock. Harsh truth.
maxs8007 said:
Stick to stock OOS. Custom roms can never be as stable as stock. Harsh truth.
Click to expand...
Click to collapse
Well Oneplus has not a really stable-like reputation.
Define "stable " Siré
maxs8007 said:
Stick to stock OOS. Custom roms can never be as stable as stock. Harsh truth.
Click to expand...
Click to collapse
I would have to disagree. It all depends on the rom. Builds using los as a base do tend to be a bit unstable. So does PA. Find a rom based on pure aosp that is not a cherry pick kitchen sink rom and it is just as stable or even more so.
Easy
Amar5373 said:
Camera must good quality
Click to expand...
Click to collapse
Give LineAge OS from SultanXDA a try
Perfect camera, absolutely stable, great battery life
https://youtu.be/vZOL7gEKHuc
actually most ROMs on development section and cross development section are both stable and has great camera... look for the roms that has the latest Gcam (google camera), the images are as good (if not better) than stock... the camera issue is almost not a factor for sometime now...
also most roms are reasonably stable, i tried almost all of them and all depends on your taste, there are ones with a lot of features and ones with just the basics...
no one can till you what you'll like, list the set of features you require, search both forums and look into roms, read through few pages specially at the end to see the current state of the rom, search if you want to ask about something (because someone asked it before you and was answered)...narrow down your choices and select one and try... if you don't like it, try the next...etc until you like one, you'll learn a lot about what you really require in the process.
theduke7 said:
actually most ROMs on development section and cross development section are both stable and has great camera... look for the roms that has the latest Gcam (google camera), the images are as good (if not better) than stock... the camera issue is almost not a factor for sometime now...
also most roms are reasonably stable, i tried almost all of them and all depends on your taste, there are ones with a lot of features and ones with just the basics...
no one can till you what you'll like, list the set of features you require, search both forums and look into roms, read through few pages specially at the end to see the current state of the rom, search if you want to ask about something (because someone asked it before you and was answered)...narrow down your choices and select one and try... if you don't like it, try the next...etc until you like one, you'll learn a lot about what you really require in the process.
Click to expand...
Click to collapse
A warning. Those that do use the modded Google camera use a camera Hal that breaks other things. Not a worry really for the average user but Important all the same.
Try NucleaR ROM, it will surprise you
if you want real stability in custom roms, there is only one rom you can try, Paranoid Android, most stable custom rom

What do you think is better? Stock vs Lineage.

Since Oneplus released the new 4.5.0 OxygenOS update, many noticeable changes has been achieve, better battery life, performance, etc.
On the other hand, Android O is reaching many devices around the world thanks to professional developers on XDA community.
Should I stick with OxygenOs, or use lineage os. Which is better
OXYGEN OS
Lineage hands down. Stock is boring, u wanna stay stock buy an iphone.
So many roms to try, why you would stay stock baffles me. But each to there own ?
I suppose these kind of threads are just for opinion-gathering, but I think there's nothing wrong with that.
On one hand, stock OxygenOS is simply "things that just works." Sure, this is boring, but some people prefers to have a system that works in their day to day life. Boring? Sure. But does it works fine? Yes.
Lineage on the other hand, while stable as is, is still geared towards experimenting, that doesn't mean it's unstable though. Also, Lineage (and most other custom ROM) is pretty good when it comes to keeping devices updated - so once OnePlus 3/T is out of commission and OnePlus drops their support for the device(s), it's going to be a good idea to move to Lineage if you want to continue using the phone.
tl;dr use stock if you just want things to work, and Lineage for the sake of modding and future-proofing.
Should you switch to Lineage? Probably.
Nether if you ask me. They are both garbage when compared to an AOSP based rom like Dirty Unicorns. Both have way too many bugs for any real day to day usage.
zelendel said:
Nether if you ask me. They are both garbage when compared to an AOSP based rom like Dirty Unicorns. Both have way too many bugs for any real day to day usage.
Click to expand...
Click to collapse
We are CAF out of the box. Rom base might be AOSP but all our hardware specific stuff is CAF or LOS
F4uzan said:
I suppose these kind of threads are just for opinion-gathering, but I think there's nothing wrong with that.
On one hand, stock OxygenOS is simply "things that just works." Sure, this is boring, but some people prefers to have a system that works in their day to day life. Boring? Sure. But does it works fine? Yes.
Lineage on the other hand, while stable as is, is still geared towards experimenting, that doesn't mean it's unstable though. Also, Lineage (and most other custom ROM) is pretty good when it comes to keeping devices updated - so once OnePlus 3/T is out of commission and OnePlus drops their support for the device(s), it's going to be a good idea to move to Lineage if you want to continue using the phone.
tl;dr use stock if you just want things to work, and Lineage for the sake of modding and future-proofing.
Should you switch to Lineage? Probably.
Click to expand...
Click to collapse
I like opinion gathering threads since they foster good discussion, but it seems that questions like these are asked every week since users posting them don't bother to search past threads despite the better content in them.
That being said, I agree that LOS is great in the future once device support is dropped, but do you see any downside in keeping OOS installed until support is dropped?
Lineage OS all the way with OMS support. Stock is boring and nothing much then black and regular theme.

is it worth it to install a Custom Rom?

I rooted my phone and installed TWRP however looking at the custom ROMs , I don't know if it is a good idea at this point to install one. What are your recommendations especially in regards to fluidity, battery life, antutu scores, daily usage and everything working?
guitarbite said:
I rooted my phone and installed TWRP however looking at the custom ROMs , I don't know if it is a good idea at this point to install one. What are your recommendations especially in regards to fluidity, battery life, antutu scores, daily usage and everything working?
Click to expand...
Click to collapse
MIUI will give u the best fluidity
Battery life are pretty much the same
Antutu is pointless
Most ROMs have everything working
If you're all set you might as well test them, just remember to format data if going from MIUI to custom otherwise it will bootloop
Mackay53 said:
MIUI will give u the best fluidity
Battery life are pretty much the same
Antutu is pointless
Most ROMs have everything working
If you're all set you might as well test them, just remember to format data if going from MIUI to custom otherwise it will bootloop
Click to expand...
Click to collapse
Coming from Zuk. Z2 I'm not a newb to flashing but I haven't heard anything but issues on most ROMs I've looked at... Newer phone so makes sense but I wanted to more establish if there was stability and which ones are in fact more stable...
However if MIUI is the most fluid... Might Stick on that for another few months
guitarbite said:
Coming from Zuk. Z2 I'm not a newb to flashing but I haven't heard anything but issues on most ROMs I've looked at... Newer phone so makes sense but I wanted to more establish if there was stability and which ones are in fact more stable...
However if MIUI is the most fluid... Might Stick on that for another few months
Click to expand...
Click to collapse
I keep going back to MIUI, ABC rom seems to be the most stable for me but after a couple days system UI begins to crash.
Mackay53 said:
I keep going back to MIUI, ABC rom seems to be the most stable for me but after a couple days system UI begins to crash.
Click to expand...
Click to collapse
I think I agree with you there.... Why move if you aren't going to improve
guitarbite said:
Coming from Zuk. Z2 I'm not a newb to flashing but I haven't heard anything but issues on most ROMs I've looked at... Newer phone so makes sense but I wanted to more establish if there was stability and which ones are in fact more stable...
However if MIUI is the most fluid... Might Stick on that for another few months
Click to expand...
Click to collapse
That's been the normal state of custom ROMs on the last few phones I've owned including the supposedly development friendly One Plus 5. I think the problem is that custom ROMs are rarely maintained by people who actually use the ROM and device as their daily driver. You can't make a good ROM for a phone you aren't even using so the ROMs always have bugs that the devs aren't aware of until users report them. There was only one One Plus 5 ROM that didn't have bugs and it was also the only custom ROM by a developer who actually used the phone everyday. One of the ROM devs for this phone even admitted that he wouldn't consider using his own ROM on his primary phone which pretty much says it all.
guitarbite said:
I rooted my phone and installed TWRP however looking at the custom ROMs , I don't know if it is a good idea at this point to install one. What are your recommendations especially in regards to fluidity, battery life, antutu scores, daily usage and everything working?
Click to expand...
Click to collapse
I have been using LineageOS Unofficial for a couple of months, and now the official for over a month. Everything just works. Things are smooth, and works real nice without any of the wonkiness I had with MIUI. I always struggled a bit to make MIUI work like I wanted. Then again, I greatly appreciate a stock-ish experience. I am even running Substratum.
alose said:
I have been using LineageOS Unofficial for a couple of months, and now the official for over a month. Everything just works. Things are smooth, and works real nice without any of the wonkiness I had with MIUI. I always struggled a bit to make MIUI work like I wanted. Then again, I greatly appreciate a stock-ish experience. I am even running Substratum.
Click to expand...
Click to collapse
100% agree

Question Custom Roms

Hello i'd like to change my rom for my F3 i don't feel the smoothness that much in stock miui its good tbh serving me well but i want some good fluid ui with amazing battery life and performance should i install miui eu? or other roms such as Arrow os i don't really care about the customization my prio is Good performance and atleast same sot as stock im having 5hrs in gaming while 8-10 hours when browsing social media
Kirxshi said:
Hello i'd like to change my rom for my F3 i don't feel the smoothness that much in stock miui its good tbh serving me well but i want some good fluid ui with amazing battery life and performance should i install miui eu? or other roms such as Arrow os i don't really care about the customization my prio is Good performance and atleast same sot as stock im having 5hrs in gaming while 8-10 hours when browsing social media
Click to expand...
Click to collapse
Yes than you want EU Rom or basically stock streamlined I have the 8gb of ram and I get about 713000 on AnTuTu and anywhere from 500k to 670k on custom ROMs. There are other stock based ROMs but EU is by far the most popular. I don't game but 8 to 10 hours browsing sounds about normal on all the custom ROMs. If you want honesty I have been flashing custom ROMs and kernels for about 5 years and I have even made a couple lineage ROMs back In Oreo days. I stopped listening to all the hype alot of it is just nonsense I've never flashed a custom kernel that gets better performance and better battery life than stock. I used to think it was possible and it's really not. You will need a better cpu to have real differences. EU is better than regular stock so try that and if your still not happy try evolution x a12 or descendant a12 Rom. Those are my 3 picks.
Techguy777 said:
Yes than you want EU Rom or basically stock streamlined I have the 8gb of ram and I get about 713000 on AnTuTu and anywhere from 500k to 670k on custom ROMs. There are other stock based ROMs but EU is by far the most popular. I don't game but 8 to 10 hours browsing sounds about normal on all the custom ROMs. If you want honesty I have been flashing custom ROMs and kernels for about 5 years and I have even made a couple lineage ROMs back In Oreo days. I stopped listening to all the hype alot of it is just nonsense I've never flashed a custom kernel that gets better performance and better battery life than stock. I used to think it was possible and it's really not. You will need a better cpu to have real differences. EU is better than regular stock so try that and if your still not happy try evolution x a12 or descendant a12 Rom. Those are my
Techguy777 said:
Yes than you want EU Rom or basically stock streamlined I have the 8gb of ram and I get about 713000 on AnTuTu and anywhere from 500k to 670k on custom ROMs. There are other stock based ROMs but EU is by far the most popular. I don't game but 8 to 10 hours browsing sounds about normal on all the custom ROMs. If you want honesty I have been flashing custom ROMs and kernels for about 5 years and I have even made a couple lineage ROMs back In Oreo days. I stopped listening to all the hype alot of it is just nonsense I've never flashed a custom kernel that gets better performance and better battery life than stock. I used to think it was possible and it's really not. You will need a better cpu to have real differences. EU is better than regular stock so try that and if your still not happy try evolution x a12 or descendant a12 Rom. Those are my 3 picks.
Click to expand...
Click to collapse
if there is someone will tell me their review about the evo x i might use that since i like to try some near stock android experience but if eu is better than evo then i'll go with eu
Click to expand...
Click to collapse
No Evo X works great I like I'm thinking about going back to it but I can't be sure it plays games. I've heard about people having gaming problems on AOSP based ROMs it is more of the stock Android which I like to because Xiaomi has different settings and I always get lost so yeah I prefer stock Android too. You definitely won't get performance and a12 anx camera module for magisk doesn't work it does on Android 11 though. You'll also have to decrypt your data on a12 so twrp can read your internal. The phone has a lot of catches to it I would definitely recommend that you have the My flash tool and the stock firmware downloaded and ready to go in case you need to fast boot and flash your stock again cuz it does get confusing and you probably will soft break a couple times

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