Lenova YB1-X90F last custom firmware - Lenovo Yoga Book Questions & Answers

Hi to everyone, some one can tell my , YB1-X90F have custom firmware android 8-9?? And where i can dawnload , lineageos have for X703F its can be installed on X90F and how it stable work? https://download.lineageos.org/YTX703F

I don't think its possible. Lenovo lock down their bootloader hard. So that means we have to rely on them for upgrades and we can't install any custom firmware.

Mb other ways, after hard reset have only 580mb free ram and tablet shuttering , and i don't know what app use a many ram , and mb possible to overclock processor?

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how to downgrade from custom lolipo to custom kitkat

Hello gyz, I'm using ed 300 cm12.1in my lenovo a6000 I'm tired of using this ROM always showing force close messages in every application games even not running properly always crashes even some time I can't use my phone the screen turn black when using then I want to remove my battery and switch on to. Reuse. Iv downloade the miui 7 ROM which is in 4.4.4 kitkat version I think it is a best ROM for a6000 have better gameplay and etc etc...
So I'm now in lollipop custom ROM and I wnt to change to a kitkat custom ROM how is the procedure. Plzzz any give me a brief answer. I'm. Tired???????? :crying:
nikhilmulavana21 said:
Hello gyz, I'm using ed 300 cm12.1in my lenovo a6000 I'm tired of using this ROM always showing force close messages in every application games even not running properly always crashes even some time I can't use my phone the screen turn black when using then I want to remove my battery and switch on to. Reuse. Iv downloade the miui 7 ROM which is in 4.4.4 kitkat version I think it is a best ROM for a6000 have better gameplay and etc etc...
So I'm now in lollipop custom ROM and I wnt to change to a kitkat custom ROM how is the procedure. Plzzz any give me a brief answer. I'm. Tired :crying:
Click to expand...
Click to collapse
MIUI 7 Russian Build is based on Lollipop 5.1.1
nikhilmulavana21 said:
Hello gyz, I'm using ed 300 cm12.1in my lenovo a6000 I'm tired of using this ROM always showing force close messages in every application games even not running properly always crashes even some time I can't use my phone the screen turn black when using then I want to remove my battery and switch on to. Reuse. Iv downloade the miui 7 ROM which is in 4.4.4 kitkat version I think it is a best ROM for a6000 have better gameplay and etc etc...
So I'm now in lollipop custom ROM and I wnt to change to a kitkat custom ROM how is the procedure. Plzzz any give me a brief answer. I'm. Tired :crying:
Click to expand...
Click to collapse
Download the kitkat firmware from ed300 thread, and flash that.. Then u can flash kitkat based rom!!

(Suggester) Best Rom For Lenovo a6000 by Kaaz

I think Those who grab the Lenovo a6000 plus version.. dont need any custom rom.. coz a6000 user only suffers the big lagg.. coz of only of 1gb of its rom. that is not in plus 2gb is sufficient..
I request those who r creating custom rom must knw that we hv 1gb of ram.. nt 2gb.. the main reason from start is its lag too much on our device then the plus users.
Now My For lenovo a6000 user After Trying many custom Rom. the best one is for our devices is still
Rank.1
 @ED300
1. Cm11 by Ed300(8th update) i used it with Mostock kernel... and its perfectly fine .. each n everything
.. i dont use fm..
...for camera ..use pro HDR cam... it support 8mp camera
...Ram free is 250-350mb.. clearing cache 459mb..
...Battery,charing is good after flashing Mostock
... request if Developer of Phontom kernel could port make that kernel for kitkat @dev_harsh1998
... No Lags
....roll out the update 9 So that it can fix the fast charging thing.
....
I M fedup with lollipop .. coz everytime delvic cache get burned its start showing...on boot that "upgrading apps 1 to 140...
Every lollipop rom had same problm n its creates amount of cache ... N Slow up the device
if u r using ed300 cm12.1 .or sny rom
. after 4,5 days of use u get see how lollipop rom strat lagging..
3rd Miui.. User said its also bug free
... Very fast rom. while clicking pics Haha
... Some apps force closing..
... i dont like the mi ui.. so..
... U could use this rom... Deepthly fast it is.
Its on rank.2 on my review.

Need Custom Rom lenovo a1000

Here I bought a new phone called lenovo a1000.
Its a spreadtrum sc7731, running on 5.0 lolipop, & 1 GB ram.
It specs:- "htt#p#://m.gsmarena.com/lenovo_a1000-7605.ph#p"(plz remove the quotations And hashes.)
I want any custom ROM.
Any that works on it.
I have its stock ROM.
I search every where on net but got nothing.
Can someone tell is there any custom ROM available for my phone.
I need better ROM my stock ROM is not running good.
So friends thanks in advance.
Have a nice day.
needrom com there is links on custom bad when i try nougat it write something missi
shaad24 said:
Here I bought a new phone called lenovo a1000.
Its a spreadtrum sc7731, running on 5.0 lolipop, & 1 GB ram.
It specs:- "htt#p#://m.gsmarena.com/lenovo_a1000-7605.ph#p"(plz remove the quotations And hashes.)
I want any custom ROM.
Any that works on it.
I have its stock ROM.
I search every where on net but got nothing.
Can someone tell is there any custom ROM available for my phone.
I need better ROM my stock ROM is not running good.
So friends thanks in advance.
Have a nice day.
Click to expand...
Click to collapse
needrom com there is links on custom, bad when i try nougat it write something missing and stops instaling. bad in comments sey its not nougat 7.0 bad 5.0 with change design. you can try and write your experience with cpuz system detect and batery life sugestion
How to downgrade Lenovo A1000m from Lolipop to Kitkat 4.4? Please help me. my phone is so slow.
shaad24 said:
Here I bought a new phone called lenovo a1000.
Its a spreadtrum sc7731, running on 5.0 lolipop, & 1 GB ram.
It specs:- "htt#p#://m.gsmarena.com/lenovo_a1000-7605.ph#p"(plz remove the quotations And hashes.)
I want any custom ROM.
Any that works on it.
I have its stock ROM.
I search every where on net but got nothing.
Can someone tell is there any custom ROM available for my phone.
I need better ROM my stock ROM is not running good.
So friends thanks in advance.
Have a nice day.
Click to expand...
Click to collapse
see this thread:
https://forum.xda-developers.com/ge...-reference-t3591955/post71926398#post71926398
Lenovo A1000 the smartphone (official Roms +custom Roms)
Here are some good pages for the owners of this model:
https://www.needrom.com/category/lenovo/serial-a/a1000-serial-a/
Or this:
CM 13.1 for A1000
https://drive.google.com/file/d/0B0jK3m6iIP3fUm5xMTZSeHJ4REk/view?usp=sharing

Redmi 2 Prime Global Developer ROM on HM2014811

Im the happy owner of a Redmi 2 - HM2014811, 16 GB, 2 GB RAM. The 4G band my network operator runs is the rather exotic - I'm in EU - TDD 38(2600) and this phone has it.
Im running as we speak the Redmi 2 4G Global Stable ROM - Version: V8.0.1.0.KHJMIDG (MIUI8), KitKat based.
Question1: Is it possible to flash Redmi 2 Prime Global Developer ROM, Lollipop based?... I'm asking this because i want to preserve the native LTE bands of the phone, not losing the TDD38(2600). As seen on gsmarena, the Prime version is dedicated to the indian market - and the LTE bands are quite different.
Question 2: If yes, should is use recovery or fastboot method, as the actual ROM is KitKat based and the Developer ROM I want to flash is Lollipop based?
Question 3: Will I feel a lack in performance, considering the phone has 2 GB RAM?
I asked the same questions on the miui forum, but I hardly got an answer related to the first question.
1. Yes , .. Go ahead and install the Prime's Developer ROM .. im saying this as one of my friend with 20140811 (TDD) , is using it ,I don't exactly know how it works but it should be able to use , this might sound not Convincing but You can Always revert Back ..
2. You can Use Recovery or Fastboot , both would Work .. but if you're using Custom Recovery such as TWRP , make sure its Compatible with Lollipop Bootloader , like TWRP 2.8.6.1 doesn't have Support whereas TWRP 3.0 or later have ..
To avoid as Mishappenings , Try not to use Mi Recovery as In most cases We are now getting the Error 7 in TWRP and Not able to flash in MI Recovery .. the Error 7 is due to , if you know , the Updater Script and Can be solved by Editing it .
3. It's more than Sufficient .. the 2gb of ram , you'll not feel any lack in performance
Hope this helped

Want some guidence and having some questions about custom rom.

I have moto g4 plus (2016) and want to install custom rom but I have some questions and without knowing about them i can't take the risk.so please answer sir.
1) There is 2 Twrp custom recovery one is 32 bit and second is 64 bit, so which is best ?
2) if I use 32 bit and flash 64 bit rom ,can it possible?
3) if No then if am use 64 bit Twrp and flash 32 bit rom accidentally ,can it will brick my device??
4) i am currently on stock rom android 7.0 , today most custom rom is based on 9.0 ,if I flash pie custom rom and after months i want revert back to stock or Oreo rom ,can i will do it? Because in some custom rom there is note that after flashing this rom you can not revert back lower version of rom.
5) where is rom take space if I flash it, means in ram ,internal storage???
Thanks in advance.i know this question is help for other noob:good:
keval3492 said:
I have moto g4 plus (2016) and want to install custom rom but I have some questions and without knowing about them i can't take the risk.so please answer sir.
1) There is 2 Twrp custom recovery one is 32 bit and second is 64 bit, so which is best ?
2) if I use 32 bit and flash 64 bit rom ,can it possible?
3) if No then if am use 64 bit Twrp and flash 32 bit rom accidentally ,can it will brick my device??
4) i am currently on stock rom android 7.0 , today most custom rom is based on 9.0 ,if I flash pie custom rom and after months i want revert back to stock or Oreo rom ,can i will do it? Because in some custom rom there is note that after flashing this rom you can not revert back lower version of rom.
5) where is rom take space if I flash it, means in ram ,internal storage???
Thanks in advance.i know this question is help for other noob:good:
Click to expand...
Click to collapse
64bit recoveries can handle 32bit roms too. Use a 64bit recovery and everything is fine.
You cannot downgrade your bootloader from stock Oreo to stock nougat(your current Rom). Custom roms won't flash bootloaders,only stock roms.
Your whole flash storage of your device is divided into several partitions like system, data, boot, recovery, internal storage. That's why you have to deal with less memory in your internal storage(10 out of 16 for example).
You cannot(yeah, but don't do it) modify the partition size cause it's used to met some requirements.
The rom will be flashed into system/data partition, not internal storage but also uses ram of course
Thanks man , but can you elaborate my question on if I flash today custom rom on pie base and that is rumor on moto g4 plus that oreo update will launch soon and I also wait for it.so can i get that update if I am on pie custom rom.sorry for your answer ,i not understand that .
keval3492 said:
Thanks man , but can you elaborate my question on if I flash today custom rom on pie base and that is rumor on moto g4 plus that oreo update will launch soon and I also wait for it.so can i get that update if I am on pie custom rom.sorry for your answer ,i not understand that .
Click to expand...
Click to collapse
Yes you can get official Oreo update if you are on Pie custom rom. You just need to go back to stock rom or flash the stock Oreo rom manually like the soak test.
Can you give me Twrp 64 bit link and also which custom rom do you prefer on gaming performance , battery performance and customisable wise? Thanks a lot...
keval3492 said:
Can you give me Twrp 64 bit link and also which custom rom do you prefer on gaming performance , battery performance and customisable wise? Thanks a lot...
Click to expand...
Click to collapse
Here's a link for the 64 bit TWRP https://forum.xda-developers.com/mo...recovery-twrp-3-2-1-unofficial-touch-t3722206 for flashing both 32 bit and 64 bit custom ROMs and TWRP flashables.
Of course, unlocking your bootloader and flashing a custom ROM via TWRP will unavoidably erase your device, so back up as necessary. Be also aware that flashing a custom ROM may necessitate flashing magisk as well, to get your device Google certified again.
As for a particular ROM, your best bet is to have a look at each custom ROM's page and particularly the first page and the last few pages. Both of those should give you information on how suitable the ROM is from other user's reports for your usage and also give you an idea how often the ROM is updated.
It is necessary for flashing magisk? Because magisk root my mobile and I don't want to do it right now.
keval3492 said:
It is necessary for flashing magisk? Because magisk root my mobile and I don't want to do it right now.
Click to expand...
Click to collapse
For some apps, like banking apps for example, these apps may not function properly if they detect an unlocked bootloader, or if your device does not pass Google Play Store certification. If you're wanting to flash a custom ROM or a TWRP flashable, then you may have to consider flashing magisk for magisk hide. Magisk hide helps to hide your unlocked bootloader status and thus may get your device certified to use these apps. Up to you - depends on if you use apps that won't work if they detect your device has an unlocked bootloader.
Thanks sir for get me guide .What is athens when I open xda moto g4 plus and what is kernel and how it is important ??
keval3492 said:
Thanks sir for get me guide .What is athens when I open xda moto g4 plus and what is kernel and how it is important ??
Click to expand...
Click to collapse
I'm guessing by Athens you mean athene? If so, athene is the device codename for the Moto G4/plus (2016). Custom ROMs and software designed for athene should work on our services, though please check the release dates of such software. That also means software built for another device codename may not work.
A kernel is part of the software communicating between the hardware and the software. Custom ROMs will come with one usually. If you choose to flash another kernel, ensure you flash the correct type of kernel - there are kernels for stock 7.0/6.0 (Motorola), 7.1 (custom) and kernels for custom 8.1/9.0 ROMs. These may not be cross compatible and as such if you flash the incorrect kernel to your device your device may fail to boot (buy then that's what TWRP backups are for). Due to the lack of source code for stock 8.1, I've not seen custom kernels built for the stock Motorola 8.1 stock ROM yet.
Thank you sir for guide me about athene and kernel ,so i choose custom rom only made for athene and kernel is also built in with custom rom.
I am on stock oreo on moto g4 plus ,it is same process in oreo for unlock bootloader??
keval3492 said:
I am on stock oreo on moto g4 plus ,it is same process in oreo for unlock bootloader??
Click to expand...
Click to collapse
Please search within the correct rom thread https://forum.xda-developers.com/mo...4-oreo-soak-test-update-t3871136/post78966322
I did not get proper answer from link you send ,please help for this..
keval3492 said:
I did not get proper answer from link you send ,please help for this..
Click to expand...
Click to collapse
Should be the same process to unlock your bootloader, provided your motherboard is the same and you've still got your IMEI and software channel.
Can you elaborate what you said about motherboard and IMEI ,i am getting that method is same as nought but after that line i don't understand.
keval3492 said:
Can you elaborate what you said about motherboard and IMEI ,i am getting that method is same as nought but after that line i don't understand.
Click to expand...
Click to collapse
When you unlock your bootloader, you need the unlock key. The unlock key is likely generated from and linked to your motherboard; if your motherboard had been changed, then you'd have to get a new unlock key.
If your IMEI is still present in your device and working, the unlock key should work. Some users with existing IMEI issues may not be able to unlock their bootloaders.
Basically, if your device is the same when you requested the unlock key, and everything is working okay, then unlocking should be the same as Nougat without any further steps. Back up, boot to fastboot and connect your device to your computer, then enter the unlock key command - with your key - on your computer in the minimal ADB terminal.
I changed my motherboard once and after that I unlock my bootloader also ,but I brick my device by installing 64 bit rom on 32 bit twrp version and after that I lock my bootloader and start as a fresh device till now.
Same key is still working for me as I want unlock my bootloader??
keval3492 said:
I changed my motherboard once and after that I unlock my bootloader also ,but I brick my device by installing 64 bit rom on 32 bit twrp version and after that I lock my bootloader and start as a fresh device till now.
Same key is still working for me as I want unlock my bootloader??
Click to expand...
Click to collapse
Should be - use the same key as you used to unlock your bootloader before (after you had your motherboard changed). Be aware you will not be able to re-lock your bootloader if you unlock your bootloader at the moment. We do not have the Oreo firmware to lock stock Oreo devices or devices previously updated to stock Oreo firmware.
Oreo firmware means coding in CMD ??

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