[help] Zuk Z1 touchscreen problem - Zuk Z1 Q&A, Help & Troubleshooting

Hello everyone,
for some time I'm having problems with the touchscreen of my zuk z1, as you can see from the image Screenshot of my display , can someone help me to understand how to solve the problem?
moreover now there are also slowdowns of the touchscreen, I've already tried with app type: touchscreen calibrator, touchscreen repair, etc, but until now nothing has worked.
my zuk has cyanogen OS rom
version: 12.1-YOG4PAS9IG
android version 5.1.1
build number: LMY49J

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[KERNEL][CM] No Wifi on TabZ after flashing custom kernel for CyanogenMod 13/12.1

Hi there,
I build my first custom kernel for my Sony Xperia Tablet Z (SGP321 Pollux) and I flashed it successfully. It works, meaning device is booting the kernel, but I don't have Wifi anymore. Although this problem seems to be common I couldn't find a solutions yet. I'm not sure what driver/net my device needs and if this is all i need to do. Can someone guide me what I can do to fix the issue?
Ulf123 said:
Hi there,
I build my first custom kernel for my Sony Xperia Tablet Z (SGP321 Pollux) and I flashed it successfully. It works, meaning device is booting the kernel, but I don't have Wifi anymore. Although this problem seems to be common I couldn't find a solutions yet. I'm not sure what driver/net my device needs and if this is all i need to do. Can someone guide me what I can do to fix the issue?
Click to expand...
Click to collapse
https://forum.xda-developers.com/showpost.php?p=66601984&postcount=520

Stucking on welcome screen after upgrading to 7.1.1

Hey everyone....... I need some help......i am using zuk z1 running on mokee 6.0.1 latest release version...now the problem i am facing is when i am trying to upgrade my phone to lineageOS 7.1.1 or mokee 7.1.1 , i got stuck into welcome screen or language selection screen...my screen doesn't respond...even i restart my phone but of no use
I am not even mistaking anywhere ie i am wiping cache dalvik data etc etc also i am using right version of gapps ....also my twrp version is 3.0.20....plzzzz help me
singh.9yashpal9 said:
Hey everyone....... I need some help......i am using zuk z1 running on mokee 6.0.1 latest release version...now the problem i am facing is when i am trying to upgrade my phone to lineageOS 7.1.1 or mokee 7.1.1 , i got stuck into welcome screen or language selection screen...my screen doesn't respond...even i restart my phone but of no use
I am not even mistaking anywhere ie i am wiping cache dalvik data etc etc also i am using right version of gapps ....also my twrp version is 3.0.20....plzzzz help me
Click to expand...
Click to collapse
You wiped system too?
Yes sir...everything...except internal storage

Lenovo zuk z1 auto sleep function isn't working anymore

Hi All,
I have been facing this issue for a while now. The auto sleep function stopped working on my lenovo zuk z1 and whenever there is any notification on my phone the screen lights up(mostly Snapchat) and then it doesn't go to sleep automatically(by default 15 seconds). I tried to switch off/on multiple times, change the theme, etc but to no avail.
Also when the screen lights up and kept as such for some time, it gets so heated up that I can't hold it for a while.
Please suggest if you have encountered same issue.
Thanks in advance.
Tanveer13 said:
Hi All,
I have been facing this issue for a while now. The auto sleep function stopped working on my lenovo zuk z1 and whenever there is any notification on my phone the screen lights up(mostly Snapchat) and then it doesn't go to sleep automatically(by default 15 seconds). I tried to switch off/on multiple times, change the theme, etc but to no avail.
Also when the screen lights up and kept as such for some time, it gets so heated up that I can't hold it for a while.
Please suggest if you have encountered same issue.
Thanks in advance.
Click to expand...
Click to collapse
Please provide some facts like: rom and version, twrp version, mods, apps...
strongst said:
Please provide some facts like: rom and version, twrp version, mods, apps...
Click to expand...
Click to collapse
Cyanogen OS 12.1
Android version 5.1.1
How do i check twrp version?
Tanveer13 said:
Cyanogen OS 12.1
Android version 5.1.1
How do i check twrp version?
Click to expand...
Click to collapse
Do you have twrp installed and rooted your device? Or is it stock?
strongst said:
Do you have twrp installed and rooted your device? Or is it stock?
Click to expand...
Click to collapse
As lenovo zuk z1 runs on Cyanogenmod, so i believe it isn't stock.
I haven't installed twrp but isnt lenovo zuk z1 rooted by default as it runs on Cyanogenmod?
Tanveer13 said:
As lenovo zuk z1 runs on Cyanogenmod, so i believe it isn't stock.
I haven't installed twrp but isnt lenovo zuk z1 rooted by default as it runs on Cyanogenmod?
Click to expand...
Click to collapse
You mean Cyanogen OS 12.1. That's not cyanogenmod. There's no root out of the box activated in Cyanogen OS.
Please be sure what you have, I can't look in your mind. If you are not familiar with some words please consider to Google it for understanding.
I guess you have a stock device, so your only way is to clear cache in bootloader/recovery menu and if that doesn't help you should backup everything and make a factory reset.

Auto rotation not working after installing linage os.

After installing linage os in zuk z1,
1. Auto rotation not working
2. Fingerprint security not available in settings.
Please help.
Thnx in advance
[email protected] said:
After installing linage os in zuk z1,
1. Auto rotation not working
2. Fingerprint security not available in settings.
Please help.
Thnx in advance
Click to expand...
Click to collapse
i had the same issue
install cpu z and see if your sensors are working .....if it doesnt show any readings then its mostly a hardware issue
100% workin solution
dont ask me why because i dont know, just flash the ZUI rom 2,3 and wipe then reflash lineage rom!!

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