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My Thinker i35 keeps turning into rainbow screen after just a bit of usage
I removed the installed M.2 SSD and booted from a USB Live Ubuntu thumb drive and the same thing happens
The same thing happens if I booted from a USB Live Android thumb drive
The exact point at which the rainbow screen appears may vary slightly from occasion to occasion
It almost always appears at the point when I connect to the wifi
I just don’t know whether it is a BIOS or UEFI virus or a hardware problem
I have connected the i35 to an external display. When the laptop screen goes berserk, the external display goes blank at the same time. So I think the LCD screen is fine
Is there anyway I can download the original BIOS and reflash it?
Please help me!
Hello. I formatted an Ezpad 6 and installing Windows 10 from USB. Unfortunately now audio, wifi, touch, video card and others no longer work. The problem is due to missing drivers, which I can no longer find. Unfortunately, I only read late afterwards that I should have used the double driver program. Would someone do something to save me all drivers? Thank you in advance for your help!
Topic: Driver Ezpad 6
Hi. I formatted an Ezpad 6 installing Windows 10 from usb. Unfortunately now audio, wifi, touch, video card no longer work. The problem is due to missing drivers, which I can no longer find. How could I solve the problem? Thanks in advance.
Hi,
Some versions of the EZBook X1 (N4100) seems to be unable to make the WiFi and the touchscreen work on Linux (don’t try this on the Appolo Lake version of this machine, as far as I know, WiFi should work out of the box). It seems to be a BIOS (UEFI) related problem. So here is the solution I used to make everything work.
— DISCLAIMER —
The use of any provided information and presented BIOSes is completly at your OWN risk!
I do not take any responsibilities for your actions or damages caused by following the tutorial.I figured out that the Teclast F5 3.06 BIOS works on this machine, however the internal speaker don’t work on Windows and on Linux after that.
So, here is how to make everything work (at your OWN risk) :
First part : Windows
1.1. Using AFUWINGUIx64.exe on Windows 10, save your current BIOS. You will need it if something go wrong.
1.2. Flash the Teclast F5 bios (attached at the end of this topic) the way you do it usually (AFUWINGUIx64 is not the safest way but you could still do it, I guess). Note that this will change the Jumper boot logo for the Teclast one.
1.3. Reboot on Windows, everything still works (as far as I know) except the internal speaker. To correct this, just paste the HDACfg.dat (attachement at the end of the topic) in Windows/system32/drivers and reboot. Now your internal speaker should be back to normal.
Second part: GNU/Linux
2.1 Install the Linux distro you want to use. The Wifi and Touchscreen should work (try it before with a liveUSB).
2.2 Open the terminal. And type:
sudo nano /lib/firmware/hda-jack-retask.fw
Then paste this
[codec]
0x10ec0282 0x10ec1194 0[pincfg]
0x12 0x90a60140
0x14 0x90170120
0x17 0x40000000
0x18 0x411111f0
0x19 0x21ab9030
0x1a 0x411111f0
0x1b 0x411111f0
0x1d 0x40e8bb45
0x1e 0x411111f0
0x21 0x042b10102.3 Open the terminal. And type:
sudo nano /etc/modprobe.d/hda-jack-retask.conf
Then paste this
options snd-hda-intel patch=hda-jack-retask.fw
2.4 Reboot. Everything should work.
Let me know if this worked for you and if you have some difficulties so I can improve this guide.
EDIT 12/06/2020 : Modified the Linux part to make it much simpler and compatible. Confirmed to work on latest Manjaro.
EDIT 14/06/2020 : I forgot to add the 2.3 last time. Fixed now.
Note: This is just for research purposes. No results are guaranteed!
Hi everyone
So we all know this tablet has terrible WiFi connectivity.
There are people on the Internet that said that on Windows you could disable 802.11 n band to partially fix this issue. However, for Android no solution was provided until now.
After some research, I tried disabling the n band and thus try to achieve a “stable” WiFi connection (it is still terrible). I know this is a pretty old device and probably most of you aren’t using it (even I had it stored in a drawer), but here are the instructions for someone who may need to investigate any further.
Requirements:
- A computer
- Android Platform Tools (specifically adb)
- Root permissions (there is a tutorial here on how gain root access) *
Procedure (steps 10-15 are optional):
- Connect your device via USB to your computer
- Check if your device is recognized in adb
adb devices
- Connect to the device using adb shell
adb shell
- Mount system partition as read/write
mount -o rw,remount /system
- Edit /system/etc/wifi/wpa_supplicant.conf (I will be using vi, but you can use any other file editor):
vi /system/etc/wifi/wpa_supplicant.conf
- Navigate with your arrow keys until the end of the file
- If you’re using vi, turn on edit mode by clicking the letter i on your keyboard
- Add the following lines to the end of the file:
disable_ht=1 disable_ht40=1 disable_vht=1
- Save your changes (on vi: type ESC and then type :wq)
- Optionally, edit /system/etc/wifi/hostapd.conf
vi /system/etc/wifi/hostapd.conf
- Find the string starting with ieee80211n (if you’re using vi as I am, write /ieee80211n with keyboard and then press ENTER):
- There should be two instances, one starting with # and another without. We want to edit the second one.
- Again, if you’re using vi, turn on edit mode by clicking the letter i on your keyboard
- Edit the line by changing =1 to =0:
ieee80211n=0
- Save your changes (on vi: type ESC and then type :wq)
- Remount the system partition as read again:
mount -o rw,remount /system
- Reboot your device
That’s it. This is the most we can do with Linux to disable 802.11n with this device.
Have I noticed any improvements? No, but I may be doing something wrong.
Here is the init script for wifi (/init.wifi.rc):
service p2p_supplicant /system/bin/wpa_supplicant \ -ip2p0 -Dnl80211 -c/data/misc/wifi/p2p_supplicant.conf -N \ -pforce_single_radio=1 \ -iwlan0 -Dnl80211 -c/data/misc/wifi/wpa_supplicant.conf \ -I/system/etc/wifi/wpa_supplicant_overlay.conf \ -O/data/misc/wifi/sockets -puse_p2p_group_interface=1,force_single_radio=1 \ -e/data/misc/wifi/entropy.bin -g@android:wpa_wlan0 class main socket wpa_wlan0 dgram 660 wifi wifi disabled oneshot on boot insmod ${ro.modules.location}/cfg80211.ko insmod ${ro.modules.location}/8723bs.koI have no idea where else to look for information. Feel free to contribute with whatever you may find relevant.
* Technically root may not be required as the adb shell runs as root by default (or at least mine did after a reinstall). However, because we’re changing the /system partition, Android may detect unauthorized changes and prevent the device from booting (maybe adb disable-verity is enough?).
Has anyone tried copying files via SMB with their EZPad Pro 6? I am experiencing issues with file copy slowing down until it is stuck at 0 bytes/s for quite a while (can be several minutes). File transfer then resumes briefly before it gets stuck at 0 bytes/s again. This cycle is repeated until hours later, the file transfer is complete.
The issue does not appear to be the internal Realtek 8723 wifi adapter, as I have tried several external USB wifi adapters. I have changed USB settings, turned off auto tuning, disable Remote Differential Compression, enabled write-caching of the eMMC drive but all to no avail. I have this issue on another device (Trekstor Surftab) which I was not able to resolve. I am totally baffled.
Anyone have any such issues?
Thanks in anticipation!


