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Teclast X98 Air II opinions

Hello everyone, I am very interested in buying this tablet because of the win 8.1+Android boot BUT I have read mixed reviews that some come ok while others come with problems. I personally don't want to deal with broken youtube, play store and etc.
Is there like a stock android ROM for this? Will flashing a new ROM damage the windows in the Tablet? Is it fairly straightfoward like a normal android tablet? Any tips, opinions, reviews and etc. Are greatly appreciated.

I have purchased this tablet and using it for a few weeks now. Dual boot Air II (not the 3G as I've seen videos on youtube showing that they are slower than the Air II). When I first got it, the play store wasn't working, however, when I updated the software through Teclast's update app (all in chinese) it work.
I haven't had any problems with it so far, everything is working fine. I've tried some very heavy games without any lag. It just lowers the brightness if it gets to hot. Also another note, I hated their UI, I think they tried to copy iOS. So I just downloaded a custom launcher and fixed the problem.
Based from my own experience I would recommend this tablet. I also bought it for the dual boot capabilities. (came pre-installed with dual boot windows 8.1 + android 4.4.4)

im quite frustrated with mine...here are the reasons.
windows runs very well. would be great apart from the fact that the battery wont get me through a whole day of fair use. also, wifi seems to drop sometimes.
android runs SLOW. launcher stuff is a bit laggy. it has to pause to think quite often. and wifi, again seems very spotty - stops working for 30 seconds randomly - frustrating.
also....with regards putting different roms on, etc - there is less knowledge out there about the Air ii - most of the posts are relevant to the 3g model so finding solid information about the Air ii is difficult. I cant recommend at this stage...

in regards to the wifi, try turning off wifi optimization in the settings
it seemed to work better on mine after I turned it off.

buddy,
how's the battery life?
any cons now???

Got the Teclast X98 Air 2 HG8N a few days ago from TinyDeal. Arrived with dual boot 4.4/8.1, both in Chinese. Had to change to English, get online and ran OTA/Windows updates. No issues with camera orientation or Google Play. So far, very nice tablet. The Windows experience is odd. I want to swipe a lot for navigation since I've owned a few iOS/Android tablets before. Taking some getting used to actually using scrollbars again. Also found out that some sites and programs really are not designed for such a relatively small screen. Options are very small and hard to hit correctly with a finger. Stylus helps, but still tricky occasionally. I would recommend it with the caveats that it will not be in English, Android has a lot of crapware, and Windows can be tricky. I would like to install W10 and custom ROM but still trying to get a handle on the process for this model. Similar model threads are hundreds of pages, and may not be entirely compatible with this one.
Editing my post after getting a few more days hands on with this one. Initially there was a lot of focus on setup, config, tweaking, it was my new toy. Got it to a comfortable, useable state and now down to actual usage. The screen is gorgeous, that part still holds very true. The battery life is terrible. Android seems better than Windows, but I haven't done any benchmarking or close examination. It looks like for Android at least, the OS itself is consuming the most battery. I haven't gotten a single day of usage without stopping to charge at least once. I pretty much just keep it plugged up unless I walk outside with it for a bit. Right now focusing on how I can replace the pre-installed OS's and see if that will be any better. I have years of experience in IT, but not in an area like this so it is slow going for the moment. I'd recommend this still, but be prepared to tinker a long time. If you want an out of the box experience ready to go then this is not a good choice at all.

I have had my airII 3g since about february 2015. I still like it. screen is great - usually have the brightness turned right down to low as I use it indoors. have used both windows and android and it works well. I prefer to use android, windows buttons can be small to try and touch. Main use for mine is just facebook and internet browsing, and reading books, I did take it on a couple 8 hour flights and watched downloaded videos in windows and it was awesome. Speakers could be a bit louder. Once I rooted it and removed chinese android seems to run way better, battery life is good in my opinion but I guess im not a heavy user. I do have wifi drops in android although I recently downloaded wififix from playstore and it seems to be a lot better. Also after rooting i have found I rarely get the thermal brightness throttling message - cant remember last time I saw it. Tablet seems well made and has a bit of weight to it, I have mine in a Ipad air case which is good, its just the camera holes dont match. The 2.5amp charger that comes with it would be the minimum I would want to charge it with, my kids have teclast x80h with 2amp charger and its too small. I think there is also an issue when having bluetooth on for my headphone and using the wifi at same time can cause wifi to be slow. either way I am happy with purchase, knowing that at the end of the day it is a chinese tablet and would require tinkering with and maybe some issues, but its great specs for the money. I dont use 3g on it, i mainly only bought it as it was 64gig model.

It is a great device

i have the air ii hg9m and i would only recommend this to someone who is comfortable troubleshooting and fixing small issues as these chinese tablets are plagued with them, fortunately theres tons of support from this site with lots of cool people fixing any issue that might arise, as for mine (the newest air ii at the time of this hg9m) ive only had minor issues, like choppy 3d games in android, standby battery drain in windows, some overheating, slow charging and battery calibration issues, and no ota updates in android. but the basic functionality of the device has remained in tact. Thats also a huge advantage of dual os, if im having an issue with one os i can try the other to do what i want. If youre truly looking for a trouble free experience then apple is the way to go, imo they are your best bet at a good 100% trouble free experience, but you pay a lot for those odds.

Stylus?
arcanadei said:
Taking some getting used to actually using scrollbars again. Also found out that some sites and programs really are not designed for such a relatively small screen. Options are very small and hard to hit correctly with a finger. Stylus helps, but still tricky occasionally. I would recommend it with the caveats that it will not be in English, Android has a lot of crapware, and Windows can be tricky. I would like to install W10 and custom ROM but still trying to get a handle on the process for this model. Similar model threads are hundreds of pages, and may not be entirely compatible with this one.
Click to expand...
Click to collapse
Would you mind sharing what stylus are you using that works with this tablet? I have not found one that works.
Thanks!

gatorgal88 said:
Would you mind sharing what stylus are you using that works with this tablet?
Click to expand...
Click to collapse
Couple of little generics I had laying around but both had a metal mesh tip. The rubber tips didn't work for me on this one either.

A number of issues with Nexus 6

Hello all,
Had my Nexus 6 since launch day in the UK, and I started out really liking it, but it's getting more and more in my bad books as I live with it. Wonder if anyone who has one could look over this and tell me if these issues are standard with this device, or whether I need to get onto the network (Vodafone - what a pain)
Reboots - I'm getting a number of reboots. I know this can be app caused, and I'm working through. The main problem is that it requires a pin or swipe to start it booting up, so overnight if it happens, you've got yourself a dead phone till you physically get it going again in the morning
slowdown - I've got a couple of games, one is sky force, that worked well on my note 3, but suffers some terrible slowdown on the Nexus. No idea why this would happen with a better processor
not connecting to 5g on the router - my router has a 2 and 5 g aerial. It works fine on the 2 g, and every other device works on the 5g, but the nexus just will not connect.
slowness of starting up the camera - starting the camera can be 30 seconds.
Upside down display camera pics on some apps - KIK for eg? I know others with Lollipop who don't have this issue on their Sammys.
very bad battery - In use, heavy use, it'll be 3 hours. Average use, bit of messaging, a game, internet, could be 4 hours.
lack of focus on camcorder - it won't stay on a fixed
Slowness of booting up - Can be literally 5 minutes to boot to the main screen. Reminds me a bit of Windows at its worse!
I've had smartphones for many years, and I'm used to their foibles, like battery life and apps that cause reboots, but this is probably the most difficult phone I've had to live with!
I love the screen, the hugeness of it is just what I want, and the sound is great.

I'm getting the crashes, primarily when using the camera, doesn't reboot just stops, 3 times in a few minutes on more than one occasion. Sometimes won't connect to home WiFi without a restart. Start up is very slow. Don't suffer from the other issues. I'm on O2 4G.

mozza1976 said:
Hello all,
Had my Nexus 6 since launch day in the UK, and I started out really liking it, but it's getting more and more in my bad books as I live with it. Wonder if anyone who has one could look over this and tell me if these issues are standard with this device, or whether I need to get onto the network (Vodafone - what a pain)
Reboots - I'm getting a number of reboots. I know this can be app caused, and I'm working through. The main problem is that it requires a pin or swipe to start it booting up, so overnight if it happens, you've got yourself a dead phone till you physically get it going again in the morning
slowdown - I've got a couple of games, one is sky force, that worked well on my note 3, but suffers some terrible slowdown on the Nexus. No idea why this would happen with a better processor
not connecting to 5g on the router - my router has a 2 and 5 g aerial. It works fine on the 2 g, and every other device works on the 5g, but the nexus just will not connect.
slowness of starting up the camera - starting the camera can be 30 seconds.
Upside down display camera pics on some apps - KIK for eg? I know others with Lollipop who don't have this issue on their Sammys.
very bad battery - In use, heavy use, it'll be 3 hours. Average use, bit of messaging, a game, internet, could be 4 hours.
lack of focus on camcorder - it won't stay on a fixed
Slowness of booting up - Can be literally 5 minutes to boot to the main screen. Reminds me a bit of Windows at its worse!
I've had smartphones for many years, and I'm used to their foibles, like battery life and apps that cause reboots, but this is probably the most difficult phone I've had to live with!
I love the screen, the hugeness of it is just what I want, and the sound is great.
Click to expand...
Click to collapse
could be a faulty phone or rom ... I've had mine for a month now and no problems so far and great battery life

mozza1976 said:
Hello all,
Had my Nexus 6 since launch day in the UK, and I started out really liking it, but it's getting more and more in my bad books as I live with it. Wonder if anyone who has one could look over this and tell me if these issues are standard with this device, or whether I need to get onto the network (Vodafone - what a pain)
[*]Reboots - I'm getting a number of reboots. I know this can be app caused, and I'm working through. The main problem is that it requires a pin or swipe to start it booting up, so overnight if it happens, you've got yourself a dead phone till you physically get it going again in the morning
Click to expand...
Click to collapse
This is actually looking a lot like it may be a software defect. For now, the best solution (i.e. temporary, until 5.1 comes out later this month) is to run the phone withOUT encryption. There are lots of threads around about the minor boot partition change needed to accomplish this.
[*]slowdown - I've got a couple of games, one is sky force, that worked well on my note 3, but suffers some terrible slowdown on the Nexus. No idea why this would happen with a better processor
Click to expand...
Click to collapse
Two reasons;
1) is that despite the better processor, anything I/O heavy will take a lot of CPU power to just handle the crypto. Hopefully, this is something that will be solved (hwcrypto) with 5.1.
2) android 5.0 has some major changes in the runtime -- ART vs Dalvik. If the application developer broke rules in building the software you are running, then it is possible that it won't work optimally on ART. Hopefully, the application developer can adapt.
[*]not connecting to 5g on the router - my router has a 2 and 5 g aerial. It works fine on the 2 g, and every other device works on the 5g, but the nexus just will not connect.
Click to expand...
Click to collapse
Works for me....?
Try a router with OpenWRT.
If I remember correctly, some of the OLDER 5G 802.11AC chips used in a lot of routers, like TPLINK Archer C7v1, which has a Qualcomm Atheros QCA9880-AR1A had hardware that was a bit rushed to market and failed to meet a number of the AC specifications. So if your router is such an AC, then the hardware that is working with it may be using 802.11N (older tech), whereas this phone is trying to negotiate an 802.11AC link with it, and failing. So there is a good chance that the problem is actually on the ROUTER's side, rather than the phone.
[*]slowness of starting up the camera - starting the camera can be 30 seconds.
Click to expand...
Click to collapse
Something not right there. Mine takes 2 seconds from pressing the camera button.
[*]Upside down display camera pics on some apps - KIK for eg? I know others with Lollipop who don't have this issue on their Sammys.
Click to expand...
Click to collapse
There are *two* ways to deal with orientation in jpg images; one is to write the image to the file "upright", the other is to write it to the image file as it comes from the buffer, and just give it an orientation flip flag. The software you are using *may not respect* the orientation flag.
[*]very bad battery - In use, heavy use, it'll be 3 hours. Average use, bit of messaging, a game, internet, could be 4 hours.
Click to expand...
Click to collapse
I'm actually finding the battery to be quite phenomenal on this device. With low-moderate usage, it will actually go for TWO ENTIRE DAYS on a charge. Usually to get that kind of battery life, I have to apply very invasive controls against google services to prevent them from setting alarms and holding wakelocks.
However, if you have the screen on high brightness and actually turned on a lot, do remember, the screen is ENORMOUS. It takes power to light it up.
[*]lack of focus on camcorder - it won't stay on a fixed
Click to expand...
Click to collapse
I had to check that to verify, and confirm it. That appears to be a bug in the camera application. Try a different camera program for now, and hope that 5.1 fixes it.
[*]Slowness of booting up - Can be literally 5 minutes to boot to the main screen. Reminds me a bit of Windows at its worse!
Click to expand...
Click to collapse
Might be software crypto, mine isn't encrypted, and literally boots right up to the unlock screen in about 10 seconds.
I've had smartphones for many years, and I'm used to their foibles, like battery life and apps that cause reboots, but this is probably the most difficult phone I've had to live with!
I love the screen, the hugeness of it is just what I want, and the sound is great.
Click to expand...
Click to collapse
Well, the SIZE is almost certainly what is causing you battery life issues. The rest of it is basically because you are running an early version of a MASSIVE system update and simultaneously riding on new hardware that brings in its own batch of *software* bugs. There are some bugs in it that need to be worked out, and hopefully, the majority get worked out with 5.1. There *are* google-private 5.1 builds for Nexus 6 already, so it is just a matter of waiting for them to complete QA and ship it out.

Thanks for this, really appreciate the time, I'll have a good look through later!

Found a fix for the 5ghz router issues on the Google forum.
Apparebtly the nexus favours the American 5g channels... So I've set it to 36 and 40 and its working well! Yey.
Tomorrow I'll try a cache wipe to see what else I can correct before the update.

Disappointed with my ZUK Z1

I've been the owner of 2 ZUK Z1 during 1 month, running Cyanogen 12. Problems with Network connection, GPS and hands free through Bluetooth. since I usemy phone with dual Sim for work&personal, I need it working 100%. Because of those issues, I flashed CM13 ( not working after flashing gapps) and finally resurrection Remix ROM. It didn't solve the Bluetooth problem and battery drains quite fast and phone is too warm. I even flashed last update (June 18th) but heat and battery problem still the same(only solved rooting use with June 16th version)
I came from a Jiayu S3 and I've just confirmed I didn't take a good decision buying those ZUK Z1. I'll have to look for aHuawei or Xiaomi mobile phone or is anybody happy with ZUK Z1? running which ROM?
Thank you for your help

If a rom isn't working for you it's not directly the Roms fault... I believe it's yours
Using nuclear and I'm totally happy. But none of those cm13 based Roms will fulfill your needs because dual sim functionality isn't fully implemented.

I have never had any of those problems in 6 months of using my ZUK, maybe you just got a bad one. Did you try contacting your seller for replacement?

I have mine since October and so far it works pretty well. I have a sot of 5 hours and still have enough energy left to easily reach the end of the day. GPS works fine for me I use it every week. No overheating issues so far although the phone can get really hot if the sun shines directly on it for a longer period but no problems when I use it or when it's in my pocket.
The only things that I dislike is the wide of the phone it's just to big for me (I have small hands). The camera is not that great with low light conditions, and still no marshmallow update, that's it

Love it despite its weaknesses
I ordered my Zuk Z1 back in October 2015. I use my phone with a professional sim in addition to my personal one which handles the 4G connection (note: both sim cards cannot offer data/4G). I have been running CyanogenOS exclusively because of Good Technology (incompatible with rooted devices). I do not concur with your opinion: COS 12.1-YOG4PAS9IG is rather mature. The network connectivity issues you are facing may be due to the lack of LTE band 20 (800MHz) support. I do not face any severe issues. I would certainly appreciate if it switched from 3G+ back to 4G faster than it does. WiFi 2.4 and 5.0Ghz perfectly work without any drop. GPS does work too, though it may take time to synchronize on rare instances. Bluetooth audio (streaming music to headphones, speakers) works perfectly although I cannot comment for the hand-free function (microphone) which I refuse to use for safety reasons. Battery runtimes are really great if you are not maxing out the brightness level. In my experience, battery drains are not linked with COS but third-party apps. I did not identify any heating issues : temperature is reasonable. Software support is great (about one update every two months) although people complain about COS13/Marshmallow being unavailable (June 2016). Annoying bugs (e.g. broken screen rotation) have been phased out quite quickly. I am really happy with this phone.
Good: nice runtimes (a full day) thank to the 4100mAh battery, the SD801 CPU is fast enough for my use, 3gb of RAM and 64gb storage are generous enough, decent 1080p screen but not best in class (compared with Amoled or Sony Triluminos), CyanogenOS is rather nice compared with stock 5.1.1
Bad: camera is mediocre, hardware button are not properly located and cannot be reversed (I disabled them by enabling the on-screen navigation bar), the fingertip reader sometimes fails to recognize your tips (fairly rare but worth mentioning), no sdcard reader.
Ugly: lack of LTE band 20 (800MHz) support

I'm trying again with my Z1. After original COS (GPS and Bluetooth issue), I tryed last Resurrection ROM (overheating and battery drain), I'm trying Cyanogrnmod. I had some issues with it when flashing Google apps (ARM - 6.0 - nano) and I got continuously error messages from google apps. I did wipe data/Dalvik after installing ROM and GApps but I always got this problem. I flashed everything again and it finally worked ( I don't know if anybody else is experiencing the same). Now running CM13 I will need a few days to evaluate it. For the time being no Overheating/battery drain problem at all. I still have to check deeply GPS/Bluetooth and rest of things. It seems it works properly...
If it fails finally (I hope not...) I will try nuclear ROM as adviced by some colleagues.
I'll keep you posted.
Thank you for your support

You need to understand that battery drain is caused by 3rd apps. Install PowerPRO and set home/work/outside modes. When i don't play any game then my zuk keeps alive for 2-3 days easy

Punisher66 said:
I've been the owner of 2 ZUK Z1 during 1 month, running Cyanogen 12. Problems with Network connection, GPS and hands free through Bluetooth. since I usemy phone with dual Sim for work&personal, I need it working 100%. Because of those issues, I flashed CM13 ( not working after flashing gapps) and finally resurrection Remix ROM. It didn't solve the Bluetooth problem and battery drains quite fast and phone is too warm. I even flashed last update (June 18th) but heat and battery problem still the same(only solved rooting use with June 16th version)
I came from a Jiayu S3 and I've just confirmed I didn't take a good decision buying those ZUK Z1. I'll have to look for aHuawei or Xiaomi mobile phone or is anybody happy with ZUK Z1? running which ROM?
Thank you for your help
Click to expand...
Click to collapse
Just flash gapps immediately after cm13 before restarting

Does cm13 have double tap to wake??

No. It's there in the settings. But it doesn't work

does aroma gapps work with cm13 snapshot?

download Naptime from app store

nuclear rom is pretty nice and battery friendly

Update .161 issues

Hello,
I received an update to .161 on my L29 432 today.
I have updated my phone and it is now even more choppier and laggy than before.
What is going with this phone, I am hating it more and more, when I take photos there is always a 0.5sec for taking a picture after I press button to take picture.
I don't want to do factory reset on my phone.
Is there anything I can do rather then just selling this phone (for me personally, junk phone because I have less troubles and problems with 5 times cheaper Xiaomi Redmi 3 prime)?
Only good thing about this phone for me for the last 2-3 months is battery, nothing more, so so many bugs and problems.

Mine working flawless with OTG metod update with WIPE!!
Love the phone with PIE!

Yeah, the problem is that I still haven't received PIE in Croatia.

Apache26 said:
Hello,
I received an update to .161 on my L29 432 today.
I have updated my phone and it is now even more choppier and laggy than before.
What is going with this phone, I am hating it more and more, when I take photos there is always a 0.5sec for taking a picture after I press button to take picture.
I don't want to do factory reset on my phone.
Is there anything I can do rather then just selling this phone (for me personally, junk phone because I have less troubles and problems with 5 times cheaper Xiaomi Redmi 3 prime)?
Only good thing about this phone for me for the last 2-3 months is battery, nothing more, so so many bugs and problems.
Click to expand...
Click to collapse
What is the problem with your camera mode? Have you ever tried to clear the camera cache?

Question Overheat issue as of April 2022

I've been scouring the web trying to find *current* info about the overheating issue, but all I'm finding is stuff from last year. Nothing new about whether it was ever fixed by a software path, or if current inventory has a hardware fix, or if Google just ignored it as they often do. I'd like to know if I buy a new Pixel 5a today, directly from Google, if it still may have the problem. I'd be grateful for any info, thanks!

IMissPalmOS said:
I've been scouring the web trying to find *current* info about the overheating issue, but all I'm finding is stuff from last year. Nothing new about whether it was ever fixed by a software path, or if current inventory has a hardware fix, or if Google just ignored it as they often do. I'd like to know if I buy a new Pixel 5a today, directly from Google, if it still may have the problem. I'd be grateful for any info, thanks!
Click to expand...
Click to collapse
I don't play games and I don't use 4k video on my camera. For me phone is great didn't get worm once, but that is just my use, pictures, fullHD video, chat, video calls, phonecalls and browsing and watching videos.

I meet this problem when I take photos or video ([email protected]).

I have had issues by simply using Android Auto in my vehicle in less than 10 minutes of use. I have also experienced the overheating when recording videos even though I have followed all of the tips in Google's support email.

If I'm using Android Auto, I have to keep the phone in front of an AC vent in my car - otherwise all radios shut off within 1-2 minutes, followed a few minutes later by an overheat message (at that point it's already throttled so bad that the phone is completely unusable anyway).
Any teleconference app that uses the front camera causes it to shut down all radios about 1-2 minutes before popping up the overheat message with no warning before turning off radios (Zoom, Mychart, CVS Minute Clinic, Teladoc, even a Facebook Messenger video call). Drove me crazy trying to do a telemedicine appointment with my doctor, he finally called me instead.
Even just trying to do a phone call with Google Maps running during the call makes this damn thing overheat. Taking it out of the case (Spigen Slimarmor) seems to delay it by about a minute.
Honestly, if Fi didn't require me to keep it active for 120 days to keep the discount I got on it, I would have run the damn thing under an 18 wheeler by now. The only benefits over my old OP8T are the camera app and the physical size. That's it. Luckily I still have it, so once I hit that 120 days, I'm going back to the 8T.

Has anyone tried alternate ROMs to see if they handle the overheating issue any better? I'm especially interested in LineageOS. I imagine some kernel changes to scheduling and clocks could handle things better for this processor.