yashsingh1/xdaforums huggingface dataset:
[Teclast X98 Air 3G] rudnik8:
Hi guys, i have small problem with SD card. I have 2 partitions, 20GB in NTSF and ~8GB in ex4(for android apps) both primary

When i switch from android to windows via one button(mirek's switcher), windows won't recognise SD card at boot. It lags whole system(when i go to my computer there is nothing, blank space) and i have to restart it by holding power button. After brute-force restart, card is recognised

Any way to fix it? Card seems fine(passed h2testw)
[Teclast X98 Air 3G] Lordof9:
Depends wich 2.05 you have. There are two here, a 2.05"a" with no GPS i think and a 2.05"b". You can check it by looking at the "build of date" inside the Bios. 2.05b is "07/20/2015" if its older it should be 2.05a. If newer... make a backup and upload it, the guys here are happy about new stuff to play with ;)

I have 2.05b and did all inatallations like 2.02 without any noticeable problems.

At first there was a activation problem with 2.05b and Windows 10 upgrades from 8.1 but yours arrived with 10 so you sould be good to go. You just have to watch for the Windows 10 version, i think it must be the same you have installed (Windwos 10 Home) or your old key wont work.
[Teclast X98 Air 3G] tasar:
He, one more from german east cost, greetings from Lübeck :)

look at pic, so it shall be 2.05b, right? Sorry, that i have no newer rom.

Installed was Windows 10 Home 32bit build 10240 in english, and was activated.

I want to make a clean install with build 1511 and you think there was no problem with activate?
[Teclast X98 Air 3G] Lordof9:
Hey, schönen Gruß zurück ;)

Yep, thats 2.05b. Before you make a clean install be sure to backup your Windows 10 key, you never know... And just take a 32bit Windows, 64bit will break the tablet!

No, there sould be no problem with activating Windows or maybe its activated already (Windows Key is inside the Bios). I am not quite sure if the ISO language makes a difference, i guess you want to install a german ISO?
[Teclast X98 Air 3G] Mikha777:
NO NO NO NO !!!!

You just keep it

you have the LATEST release of 2.05

AND your tablet is BRAND new with latest front camera so

everything will work fine

. ;)

2.05a (version that you DON'T have) can be good

ONLY

if you have the first batch of X98 with the "old" front camera and it don't apply to you.

Rule of the thumb if it's not broken don't fix it ! :cool:

Edit:

To install Windows 10 in another language AKA clean install it's EZ

:

Save your Windows 10 Key before on paper.

Delete the Windows Partitions (you can use my WinPE ISO look in my previous post of last week to have the link)

Download the Windows 10 HOME ISO 32 bit version in the language of your choice.

Copy it to a USB drive with RUFUS (look at my previous post for the complete procedure)

Install it and Enjoy ! :fingers-crossed:
[Teclast X98 Air 3G] ioroid:
Could not charge even with original charger

Sorry if i repeat this question again. My air3g dual boot could not charge when it turned on, either android or windows. I need to turn it off before plug it up every night. Do you guys have any solution for this situation?
[Teclast X98 Air 3G] gesamgr:
hallo Mikha step 3 ....windows 10 PRO isn't suitable?
[Teclast X98 Air 3G] Lordof9:
The Windows key is only suitable for one specific edition ( Home, Pro, Edu...) but the ISO language seems to make no difference. The X98 Windows is Home so your key is only valid for the Home Edition. If you have a Windows 10 Pro Key and ISO you can install Windows 10 Pro to your tablet. Installation process should be the same.
[Teclast X98 Air 3G] XICO2KX:
Hmm... Is that the reason why the camera doesn't work in mirek190's Android Lollipop v6.0 on my C8J7? :confused:
[Teclast X98 Air 3G] Crazy_Oni:
Nope. The reason is Android 5 ?

Send from my OnePlus One with Tapatalk
[Teclast X98 Air 3G] teclast x98 c8j6:
Touchscreen issues on teclast x98

Thanks for the solution. Is there any similar fix if using the latest lollipop rom?
[Teclast X98 Air 3G] apedro:
Hi,

I have tried to update the bios of my Teclast X98 3G (HKC1). I have tried to update it to the bios 2.02. I do not know if the bios was not for my model of tablet or if I did something wrong but now when I try to boot it up I just get the screen showing the battery

//postimg.org/image/8xl8seb7v/

h ttp://postimg.org/image/8xl8seb7v/

Is this a 'brick' of the tablet? Is there anything that I could do to fix it?

Thanks for your help
[Teclast X98 Air 3G] tasar:
You mean Mireks version with Android 5.x? Because my new Air 3g (C5J6) has no problems with both camera and came with Android 5.0, Build V2.00_20150720.
[Teclast X98 Air 3G] XICO2KX:
According to mirek190's post, that model is working fine!:good: See here:

I'm a little bit lazy to browse through this whole thread digging for the details... :p

But why does the camera works on KitKat but not on Lollipop?:confused:

And is the problem fixable?:rolleyes:
[Teclast X98 Air 3G] Mikha777:
You can use it but you will need to buy on eBay an activation code and make sure you

use the 32 bit version

if you don't want to brick the X98 :cowboy:

---------- Post added at 12:52 AM ---------- Previous post was at 12:45 AM ----------

It's not bricked, bricked you don't have any power on the tablet. BIOS 2.02 or 2.05 are for ALL X98 Air II or 3G.

Try to charge it for 2-3 hours first.

Are you able to go in the Firmaware with the ESC key at boottime ? :cyclops:

If yes I would try to flash the BIOS again with the EFI method (look in my previous post Tou will find an EZ and complete tutorial on how to do it) it could be just a bad flashing. Which method did you use to flash ? :silly:
[Teclast X98 Air 3G] mihaiolimpiu:
It is a brick, he has a x98 3g. Not air not nothing. You have to do a hardware bios reflash. Check my signature, x98 3g has a atom z3735D as the main processor.

Trimis de pe al meu SM-G850F folosind Tapatalk
[Teclast X98 Air 3G] apedro:
I connected a USB keyboard and pressed the ESC key at boottime but it did nothing. I was afraid that it was an incorrect bios (a brick) and, as miahiolimpiu says this is the case as I have the Teclast X98 3G (not air) with Atom z3735D as the main processor.

I have ordered the EEPROM Flash USB Programmer CH341A to do a hardware bios reflash. I will look for the instruction to do it. I will let you know the outcome.

Thanks

---------- Post added at 08:34 PM ---------- Previous post was at 08:23 PM ----------

Thanks. I will do a hardware bios reflash. I will look for the instructions. Are the intructions to do a hardware bios reflash on the Teclast X98 3G the same as for the Teclast X98 Air?

Once I have fixed the bios I will install Windows on the tablet following the instructions on your signature.
[Teclast X98 Air 3G] mihaiolimpiu:
Yes, they are the same, just be careful what bios you use, you can check my tutorial for bios downloads... X98 3G has no dual boot, just be carefull what bios you flash.

I bricked it myself the first time, the names are too confusing... believe me it works like a charm!
[Teclast X98 Air 3G] apedro:
Yes, I am going to follow your tutorial for bios downloads. I bricked my tablet because it was not clear at all on the different posts I saw. In fact yours is the only one that I have found that clearly states that is for the Teclast X98 3G (not air, not all models). It's a pity that I didn't find it before.

Thank you
[Teclast X98 Air 3G] Mikha777:
Here's the CH341a instructions + softwares needed, every thing is the same except the BIOS file, double check to be sure... : http://xdaforums.com/showpost.php?p=63710473&postcount=13444 :angel:
[Teclast X98 Air 3G] apedro:
Thank you :good: :)

Once I have received the CH341a I will give it a try. I will let you know the result.
[Teclast X98 Air 3G] OJNSim:
installing custom rom on dual boot system

Hi

I have model air 2 - HG7N (Dual boot Win & android).

I would like to install Mirek190 from here .

I follow the this tutorial .

However I cannot find, any explanation how to choose the partition on which to flash the rom, in order to keep the windows partition.

I have already upgraded to bios 2.02 and win 8.1 to win 10 via Microsoft upgrade mechanism.

Please advise.

tx
[Teclast X98 Air 3G] shiznig:
Follow this video its a bit more updated.

https://youtu.be/rLjayeQJg4Q

The XML files names on Mireks ROM specify if you want to choose to delete windows or not. This needs to be chosen when you're setting up the Manufacturing Tool.
[Teclast X98 Air 3G] OJNSim:
I watched the video. it doesn't really say something about keeping windows partition.

What XMLs do you refer?
[Teclast X98 Air 3G] danis1997:
Could this fix a tablet bricked, that cant turn on? probably by a bad flash that bricked...is a friends tablet
[Teclast X98 Air 3G] Maxximo88:
Hi,

could you create a separate topic with this guide?

We were asking XDA Admins to get a x98 Forum but we continue to post all these important guide as answer to this enormous topic.. :(
[Teclast X98 Air 3G] Mikha777:
Unfortunately the answer is no if it is bricked he will need a CH341a to flash the firmware but the good news is that it cost less than $10 to buy. :cowboy:

---------- Post added at 09:41 PM ---------- Previous post was at 09:13 PM ----------

Various Guides for X98 To bookmark

Here's the main guides I've done on the Teclast X98 if you want ask to the moderators to put them in a visible place where it will be more easy to find them. :cool:

GUIDES:

- Hidden Keyboard so you can flash without a USB hub: http://sharetext.net/hlb.html

- How Flash your BIOS via the UEFI shell: http://sharetext.net/Wsb.html

- TUTORIAL & SOFTWARES to Unbrick your Teclast X98 With CH341A: http://xdaforums.com/showpost.php?p=63710473&postcount=13444

- Guide to Resizing/Deleting Partition on Teclast X98 + ADDENDUM to DELETE THE ANDROID PARTITIONS and ONLY KEEP WINDOWS or ANDROID http://sharetext.net/Oub.html
[Teclast X98 Air 3G] str4t:
Hi guys, just received mine today from gearbest..

Is this a known issue or a driver related problem my screen greys out and flickers every now and then... when i open the start menu etc..

It looks like this when it goes grey..
[Teclast X98 Air 3G] thek1ng:
Crashing on Android

Hi, does your tablet crash often when it is on Android? I am currently running Mirek's v6.0 rom but it crashed with the same symptoms on the v5.0 rom as well. It seems pretty random and does not seem to be due to overheating. When the tablet crashes, the display is corrupted and there is a very loud sound coming from the speakers or earphones, depending on whether the earphones are plugged in.

One thing I noted is that it happens if the tablet is used for a while after it is put on standby. It does not seem to occur if it is used from being turned on from a fully shut down state. I did not see this problem when I am on Windows 8.1. I am on the hg9m version of the teclast x98. Thanks for reading.
[Teclast X98 Air 3G] mirek190:
That's a good question - seems camera on c6j6 , c8j7 , c9j7 , c9j8 , C9J6 uses difremnt camera adres in kernel ....in i2c driver ...
[Teclast X98 Air 3G] azooz2015:
hi guys

i buy teclast air 3g before 4 mounth and when i buyid until the last week it was fine and evrey thing is good

in the last week i have strange proplem when i turn on the the device on android or windows its shut down randomly

after about 5 to 10 minute and there is messige appear befor shut down its (shut down due to therminal event )

and my device its even dont get hot

and i update the bios to 2.2 and it isnt solve the proplem

so i cant doing anything its shut down every time i want to use

i hope if anybody help me in this proplem

and sorry for my bad english
[Teclast X98 Air 3G] Mikha777:
I would try at least the Firmware 2.05

a

(look in my previous post for the link), I don't think it will change something but try at least. If it crash again on "Thermal event" I would look in the "Event Log" from Windows, it should tell a little bit more. :angel:

I suspect that the CPU is not dissipating heat properly since you say your tablet is not hot. The back of the tablet in aluminum on the X98 is the passive heatsink so

it should be hot if working properly

to transfer the heat from the CPU and cool the CPU down ;)

You can also look at this link http://tinyurl.com/qxyn8vw there is some informations and even a video to mod the CPU heatsink. :cowboy:

If you have hard time to decipher the Windows event log just copy/paste the log and send it here, I or somebody else should be able to help you :)

---------- Post added at 02:32 PM ---------- Previous post was at 02:28 PM ----------

Not a good news :(

From the picture attached it seem to be a faulty video connection, could be a "cold joint", bad solder or broken cable from the GPU to the screen. Since it's a new unit you should take a video of the problem and send it to the reseller it should issue you an RMA number. :cowboy:
[Teclast X98 Air 3G] XICO2KX:
It's good to know that you are investigating this issue! :)

If you'd like, I can help you debug this problem! :cowboy:

I have model C8J7, so if there's any information you need, just let me know! ;)

---------- Post added at 01:20 AM ---------- Previous post was at 01:11 AM ----------

I vote for making this a sticky post! ;):good:
[Teclast X98 Air 3G] mirek190:
Ok I'll be remember .

As far as I know c6j6 and c8j7 has the same camera .
[Teclast X98 Air 3G] thek1ng:
Hi, anyone else having the same problems as I have described above? It happens almost everytime when on Android and the tablet was put on standby. Could it be a hardware issue? Thanks.
[Teclast X98 Air 3G] aramyzo:
Hi everyone,

strange problem I have: touchpad on my C9J8 works only in OS menu and in Windows. completely dead on android. I've been using mirek's V5 rom, everything went well since yesterday morning. I've tried to flash different roms, no changes. Any ideas?
[Teclast X98 Air 3G] str4t:
So i ran recovery and reset PC on it.. i am pretty sure its fixed the problem.. but worried it might come back but after extensive testing no sign of it yet.

While i done all this i emailed teclast and they actually replied and told me its not something that can be fixed.. and to contact gearbest for a return... but i cant get it to do the fault again.. so not sure if i should return.. still waiting for gearbest to reply to the original fault.

I have noticed 1 thing after running reset pc that the rotation option is missing and no longer available in the action tab.

Anyone know how i can get rotation back?
[Teclast X98 Air 3G] Mikha777:
From the screenshot it seem more an hardware issue than a software one.... could be a loose/half-broken cable or connection. If it was not under warranty I would have suggested to you to open the tablet and look at the connectors (especially the screen/GPU connectors) but being under warranty it could cancel the warranty if you open it. :cowboy:

Hard decision ! :silly:

Use those drivers it should fix it :

https://mega.nz/#!4tIymJ6a!1EUMfs4ip8UD7SyzRqCJNt4Xb0uH_PCEmZ94PJL4uNI :angel:
[Teclast X98 Air 3G] remando:
Flickering persists

Hello Mirek,

I have a X98 3G running your Lollipop 6.0. I have got the flickering problem. I have tried the solution in your description but my /system/etc/init.d/ directory is empty (no 02fixoverlays.txt).

I have been able to fix the problem in the past by disabling HW overlays in developer options but that does not work anymore and the flickering has gotten worse. Not only the top bar but the whole rim of the screen turns red and flickers for a second, especially when switching apps. Is there something else I should try?

Thanks!
[Teclast X98 Air 3G] vanzan:
I purchased an X98 some months back from this seller:

http://www.aliexpress.com/item/Teclast-X98-Air-3G-64GB-Dual-Boot-Intel-Bay-Trail-T-Quad-Core-Tablet-PC-2GB/1862203196.html

The thing is the seller has told me there is already a cheap screen protector on it and to take it off before I apply the tempered one I got last week. I just can't see it though....strange question this but can anyone who also got one from this seller confirm whether it came with a screen protector? Cos if it is then it's the best darn screen protector I've ever seen!!! :D
[Teclast X98 Air 3G] Mikha777:
Yes it have but it is easy to see the protector, it even had a lips to be easy to be removed, look at the "lips" of the protector:

:cowboy:
[Teclast X98 Air 3G] vanzan:
Oh that is what they mean!! lol yeah I removed that....cheers.
[Teclast X98 Air 3G] Romeo_11:
Windows activation required after installing WIN 10 1511

Hi folks

After installing WIN 10 Upgrade on the Teclast Air 3G BIOS 2.02 Windows wants to be activated. With the key from WIN 8.1 isn't working.... Any ideas how to activate?

Thanks and br R.
[Teclast X98 Air 3G] raffy01:
Battery overvoltage

Hello, Aida64 indicate that my battery is overvoltage

[/IMG]

I can't charge while the tablet is on, it's like there's non charger connected. No problem to charge when tablet is off. I use the provided charger and an other one of good quality but same issue. I tried to do a wipe battery and discharge/charge it at 100% but same problem ... Problem seams to be only on Android because Aida64 doesn't inidcate an overvoltage on Windows. I'm on mireck ROM.

By the way, I measured the capacity of the battery (from 0 to 100%) with a USB voltage/current Tester it's only 7800mAh.
[Teclast X98 Air 3G] XICO2KX:
That's the "problematic" camera, right? :silly:

If you want to make sure that it's the same camera, just tell me what to do and I'll check it! :cowboy:
[Teclast X98 Air 3G] Mikha777:
Humm, in fact it should be more easy to activate any Windows 10 after the upgrade from November, before the upgrade Win 10 accepted only key from Win 10 but with the upgrade the Win 10 "validator" accept key from Win 7-8-8.1. :)

In the worst case you will have to call Microsoft Activation center with your Win 8.1 personal key to have it checked. Windows 10 should have an error number/code to tell you why the validator don't want to activate you key.

If the key is genuine and have not been copied don't worry MSFT will activate it but you will have to fight a little bit with their "customer services" since it will need to be escalated to have the validation done. :cowboy:
[Teclast X98 Air 3G] Romeo_11:
Windows activation required after installing WIN 10 1511

I called the customer service... It took two times calling/chatting and after that, they suggest to do a fresh installation of WIN 10. No chance to get a new key for activation. The key was genuine...

unbelievable this service.

Maybe I change to Ubuntu now...

Do you have any other idea ?
[Teclast X98 Air 3G] Mikha777:
It took me 3-4 call to have an activation on a valid key, the first MSFT service customer representative can't validate your key or regenerate a new one, you have to argue to have the next level to take care of your case and that's the hard part.

The first will stick to their script and most of the time less than you on Windows Activation procedures so that's frustrating, the higher rep (if you can be transfered to) has the authorities to generate another key and can even connect on your computer via remote desktop software.

I would call back tell them sweet lies like: You have done a fresh install twice and same error thing happen and told them the last MSFT service customer representative told you that if you were not successful to call back to have your Win key to be regenerated. :cool:

Talk with confidence to them but be polite but extremely firm especially about the last call where you were told that if the clean install was not successful that you will be transfered to have your Win key regenerated. :p

:cyclops:

Oh one last thing

, verify in your HOST file that you have NO entry that block Microsoft Servers to activate Windows.
[Teclast X98 Air 3G] ImJamIN:
Someone have any idea to make playable hvec video on windows?

On android with MX player there aren't any problems: flawless and fully compatible with Intel HD.
[Teclast X98 Air 3G] Mikha777:
http://www.videolan.org/vlc/download-windows.html :cool:
[Teclast X98 Air 3G] ImJamIN:
I've tried it, as mpc home cinema. And other players that's should support hvec but all of them have micro and big lag.

I've tried to update Intel drivers (August 2015) but the problem persist.

So,what can i do?
[Teclast X98 Air 3G] tuxj:
I would like to congratulate you, in the first post is all explained perfectly. It seems to have bought a Nexus device for the quality and the quantity of material that is behind this Teclast X98 Air. Thank you very much. :o

I'm really happy with this purchase
[Teclast X98 Air 3G] Mikha777:
I really don't know ! :(
[Teclast X98 Air 3G] morad11:
hi first i want to thank for all person present any kind of help i really benefited

so i have problem with teclast air 3g

its crash when i play 3d game

i saw the 3d crash update in first poster and it dosnt work by install fast mode

actually when update the 3d zib and the device restore it self appear error

there another way to fix in first poster but i dont really how to applied the another way

so i just need steps to flow them
[Teclast X98 Air 3G] mirek190:
My rom has repaired that bug if you interested .
[Teclast X98 Air 3G] dmandic:
Hi guys, i need help.

I have one from first batches of Teclast X98 Air 3g (C9J7), and was happy with 4.4.4 & Win 8.1 combo.

Anyway, i couldn't resist to install Windows 10, and finally today i did it following this tutorial and using custom Win 10 Home iso: http://xdaforums.com/x98-air/general/windows-10-pro-international-custom-t3201607

Deleted last three partitions, and installed Win 10 on free space.

It went well, almost all of drivers worked, but it didn't pick up my key. Teclast boot menu worked normally (Android/Windows 10) as before with Win 8.1. This was no biggie, and i did Macrium Reflect image of all three partitions.

Then i deleted them and restored previous Win 8.1 (original Teclast) partitions because i didn't have time right now to play with WIn 10, and i wanted to have functional system until i was ready to go.

When i rebooted Win 8.1, it showed blue screen and some error that my Windows can't be repaired. When i got in BIOS, i noticed that i have two (2) Windows Boot Managers in boot menu (!?). First one is one that is started from Teclast menu (Android/Windows) and that one is broken. Second one is from restored Win 8.1 installation, and when overrided from BIOS, it boots normally.

Does anybody know what i messed up, and how to change Teclast boot menu to boot second Win Boot manager from restored Win 8.1 partition (and possibly delete obsolete Win 10 boot manager stucked in Teclast BIOS menu)?

Hope that i explained well enough.

Thanks in advance.
[Teclast X98 Air 3G] guvno:
How do I flash the BIOS?

Appologies in advance as I am sure there is good "how to" somewhere. I did a quick search in this thread and I just could'nt find one...

I've got a C6J5 running BIOS 1.07 and I have flashed Mireks V6 ROM which is

really nice, I am also running win10 (dual boot) and now I'm thinking of finally upgrading the BIOS which I have heard can be a but 'unstable' is there a good guide somewhere that someone could point me towards?
[Teclast X98 Air 3G] Mikha777:
Here: http://sharetext.net/Wsb.html :cowboy:
[Teclast X98 Air 3G] Duraley:
Battery life?

Greetings! I have a C8J7 tablet with dual-boot but only Mirek190 Android 5.0 v6.0 flashed. The battery life in a game mode with 20% of brightness is just 2,5 hours and the battery is draining when the screen is off - about 7% per night. I'm using an Apple 12W (5V, 2,4A) charger. Is it a normal situation of such low battery life or there is a kind of fix? Btw, CPU-Z shows 4980mah instead of normal 8500mah.
[Teclast X98 Air 3G] guvno:
Thanks Mikha.

I was thinking of flashing BIOS 2.02 which I found at Mireks drive but I see there is a v2.05 in the link you sent me. Is v2.05 any good?

Thanks again
[Teclast X98 Air 3G] Duraley:
Update: 15 minutes of watching full-screen video on youtube with 100% of brightness made my full charged battery from 100% to 85%. I don't think it is normal. Any ideas how to fix that? The ranking by AnTuTu tester is incredibly low - 2265 points :(
[Teclast X98 Air 3G] Mikha777:
Yes that's the one I use (2.05) they are very similar :)