yashsingh1/xdaforums huggingface dataset:
[Kindle Fire HDX 7" & 8.9" Original Android Develop] gorthon:
I am happily using CM16 on this device for over a year now. It serves mainly for the kids to watch some kids shows and play a game from time to time, both of which don't need Internet, so Wifi was permanently disabled.

Now I'm getting in a situation where I need some updates (or just sync the clock), so I would need Wifi occasionally. I don't care about stability, as long as once every couple of months it works to connect to the Internet and download something.

So I flashed the latest version (February 2021). Wifi says "connected, no Internet". I only have 2.4 GHz in my house, by the way.

When trying to open web sites, I always get a "certificate error". So I actually have Internet, but always have to click on "I accept the risk" etc. in the browser, in order to get anywhere. In apps this is not possible, so they basically don't have online access. Including the Play Store, which just says it's offline.

Is this the known Wifi problem with this device? Or is there any solution to this?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] gorthon:
Nevermind, changing the time on the tablet fixed it.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] exokinetic:
Intersting;

I expected as much;

Depending on the Access Point, the HDX doesnt like dual band radios with the same SSID on both bands (24ghz and 5ghz respectively)

If the radio antenna's in the HDX are particularly poor (it seems they are) then they are going to "loose sight" of the 5ghz radio way before they "loose sight" of the 2.4ghz radio.

If some portion of the hardware on either end, HDX wifi drivers, or Access Point settings/etc is trying to enforce 5ghz preference (which is part of the ac standard, I cant remember if it is pars of the n standard -the HDX is a/b/g/n obv) in a dual radio single SSID situation, perhaps the HDX is remaining connected to the 5ghz radio even though the signal strength is too low to pass the WAN connection, and due to the 5ghz preference enforcement it wont jump to/ look for the 2.4ghz radio that is passing the same SSID.

And at some point in this preferential roaming loop it gets unhappy enough to "loose" the SSID altogether *shrug*

Its seems there is possibly something here.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] exokinetic:
I

****ing

knew it.

;)

You might want to check out this thread for more info on WCNSS_qcom_cfg.ini configuration

"...

Since June, I've been using a non-LG phone, but prior to that, I used the V10. Prior to making these changes to the WCNSS_qcom_cfg.ini file, my phone was useless from the moment I stepped into my house. Once I changed BandCapability from the default of 0 (threshold=-60dBm) to the manufacturer-recommended value of 7 (-81dBm), Life was Good. I never saw a weak signal on even the 5GHz radio, and had no further "WiFi Calling" issues.

..."

Looks like I have some configurating to do!
[Kindle Fire HDX 7" & 8.9" Original Android Develop] exokinetic:
and more about the above... here
[Kindle Fire HDX 7" & 8.9" Original Android Develop] exokinetic:
You sir get some skittles;

I changed BandCapability=0 to BandCapability=2

And verified through WiFiMan app that I am indeed connecting on the 2.4ghz radio now!

(previously it was connecting to the 5ghz radio of my dual band AP's)

(I did a test with BandCapability=1 and WiFiMan app reported that I was connected on the 5ghz radio, so 1= 5ghz only)

I then crossed my finger and fired up the Galaxy S8+ WiFi tethering hotspot...

Holy **** batman, I see it!

Turn off radio/ turn it back on...

I still see it!

WOOHOO!!!

I will continue testing and report back my findings, but so far:

BandCapability=2 has solved -all- of my wifi issues

Anyone following along;

Go to your developer options and enable root;

get yourself a root file explorer

navigate too:

/system/vendor/firmware/wlan/prima

edit: WCNSS_qcom_cfg.ini with a text editor

change BandCapability=0 to BandCapability=2

for good measure, under:

#ChannelBonding

add this line:

gChannelBondingMode24Ghz=1

there is already one of those for 5Ghz, but adding the 2.4 Ghz channel bonding you allow the radio to use 40hz 2.4Ghz channels as opposed to the default 20hz (essentially doubling your link rate)

do_it
[Kindle Fire HDX 7" & 8.9" Original Android Develop] longbush:
Thanks for the clear instructions, but I believe you have one error. "BandCapability=2" enables 5ghz only. To restrict to 2.4ghz only, the configuration is "BandCapability=1". Or easier, there is a Magisk Module called "WiFi5GhzDisabler" that does the job nicely. There is also one for WiFi Bonding but I haven't tried it out. Right now I'm just pleased to be going on an hour without losing my signal.

I'm new with this tablet, I got one in a box of old devices one of my customers gave me to dispose of and I took it on as a challenge to see if I could make myself a compact tablet. It's been an adventure. The constant loss of WiFi was distressing, I was trying to decide whether to downgrade to 14.1 or just toss it and thought I'd have one more look at the forum. I'm glad I did. With the disabling of the 5ghz band, things seem to be going smoothly and the WiFi is holding (cross fingers). Credit to Draxie for his unlock script (flawless) and many thanks for ggow for the rom as well as all those on here who have contributed troubleshooting and tips.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Buzzpcsos:
I am probably missing something here so please forgive me if that is so.

I tried the "BandCapability=2" and "gChannelBondingMode24Ghz=1" adjustments to my Kindle Fire HDX 7" 14.1 Lineage install using the same file location as recommended in this thread. Everything was successfully edited and checked before and after rebooting. There did seem to be a little improvement in WiFi performance but that could just as easily been placebo effect on my behalf.

So here is the thing, I had previously split the WiFi signal from my router into two separately identifiable signals which saved a lot of drop out on my children's Apple devices. After reading about the questions involving which band capability number we should be using I took a look at available networks on my modified tablet. Both the 2.4 and the 5GHz frequencies were showing up and available for connection. I was connected to the 2.4GHz frequency which supposedly was the very one disabled by setting band capability to 2.

Any thoughts would be greatly appreciated.

It would be really nice if this modification could be used on the 14.1 ROM as that sounds like the one most likely to continue getting support.

Many thanks to Ggow for his continued work, I hope your house is feeling like a home again.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
I will try :).

Installed logcat so now testing. Of course sound decides to play now when I been without sound since install.

I tested ringtone and media volume and even tried a youtube video. I found out the volume for hearing was so so low I needed to max the volume to even get good sound out. (used to be half way on 14.1).

But when I launch any game app sound dies completely.

What logs should i look for? (I got the app running in the background).

Edit: I looked at the logs and see this.

audio_hw_primary

start_output_stream: cannot open device '/dev/snd/pcmC0D14P' : Invalid argument
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
I'll see if I can reproduce the fault on my Thor. Will let you know.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] void555:
Apollo 16 GB / Wi-Fi, lineage-16.0-20200916-UNOFFICIAL-apollo.zip

In short: can't install GApps (open_gapps-arm-9.0-pico-20200919.zip).

History: I have tried dirty flash of OS+GApps over 14.1 - waited for more than half an hour but it was stuck at boot animation.

Wiped everything, reinstalled and waited for several HOURS - finally (looks like there were reboots) I've got message like "can't encrypt" with only "reset" button available. After that it only rebooted into TWRP. All available partitions were broken - had to format /data (wipe did not work).

I have zeroized "misc" partition to be able to boot anything after that.

Now: I can install 16.0 w/o GApps and it seems to work (did not really test thoroughly) but any attempt to install GApps results in boot animation for several minutes and booting only into TWRP after that (no more "can't encrypt" window). I have tried to "encrypt" manually (both 14.1 and 16.0) but it causes constant reboots and necessity to format /data to get out of it.

I have successfully rolled back to 14.1 for now.

Thoughts?

Is image of "misc" partition available to download? I would probably need images of other partitions as well for further experiments.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
Dirty flash I think from cm-14.1 is generally a bad idea. It's 2 major versions on so unlikely to work.

Encryption in both cm-14.1 and lineage-16.0 is not a supported function at the moment.

Try BitGapps 9.0 - that one worked for me.

the /misc partition contains a bunch of hardware and software configuration switches which is probably results in a non-bootable system and why wiping clears the fault.

I think our version of TWRP needs updating. Maybe the newer versions account for /misc partition needing to wiped etc. Not sure will investigate.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] pxrave:
i had the same problem and needed to use these cmd.

now the rom is booting and i setup all.

any used magisk with this rom?

i booted without root

just use opengapps pico

device is more snappy

actual encovered bugs

omx audio/video

youtube just audio function / no video

gm5 fitness just audio function / no video

tunin radio no audio function

i send logs asap
[Kindle Fire HDX 7" & 8.9" Original Android Develop] void555:
Not that I need one (performance reasons) - but it looks like OpenGApps tried to enable it.

Thank you, this one works.

Maybe it worth it to add tips about BitGapps 9.0 and zeroizing /misc to OP?

BTW, H/W video decoding clearly is not working in BSPlayer/MXPlayer (I have tried MPEG-2 and H.264). This does not affect YouTube which uses VP9 nowadays (mostly?) and it is not H/W accelerated on SnapDragon 800 anyway. Official YouTube app does not work correctly with lineage-16.0-20200916-UNOFFICIAL-apollo.zip, have to use browser or e. g. "Float Tube".

H/W video decoding, however, works in VLC but only if "Decode acceleration" is selected, not "Full acceleration" (it silently switches to S/W).
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
I have update the installation instructions on the OP.

OMX/Video is next on my list to tackle.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] stangri:
I was able to install pico gapps on my apollo btw.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
Let's use OpenGapps pico going forward, remembering to flash bitgapps after an update could become a pita.

- Also I had a bootloop using lock pattern. I'll add that to the list.

- Also investigate handling of thermal profile - seems to be running a little warm
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
- Fixed OMX, youtube native app is now working, MX Player now playing with a variety of files.

- Fixed audio up a lot more, touch sounds are now working, the logcat is now a lot cleaner without all the spam

- I have tested Clash of Clans (used it as my test bed) and it runs fully with Audio now working. Should translate to a lot of other games working too.

Will all be in next release which will hopefully be later this week.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] urigg:
Apollo LTE/32G, no gapps:

Tried a dirty flash, worked to some point. First had some issues installing, but then realized that I've missed some TWRP updates... ^^'

Wifi: Working nicely. Seems to reconnect from standby, not sure.

Bluetooth: As before, works with some patience.

Mobile: Not tested/flight mode.

Music: Plays well.

Video: Some video formats are not playing, lets see for next update.

Lockscreen is now thowing me in a loop, and some power settings are crashing, guess that's what I get for dirty flashing. (Deleted some files via TWRP to kill lockscreen.) Might try resetting tomorrow.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
Thanks for fixing the audio! Hopefully my error helped. I also see wifi signal error in the catlog file if that needed? Also netflix crashes on start now
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
Netflix should be fixed next release as long as DRM is functional.

The WiFi signal is low priority at the moment.

I'm really interested to find out peoples experience with WiFi stability and wake up from sleep.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
For Lock screen I had to go into twrp and delete the relevant files to disable it in order to solve bootloop.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] urigg:
So this might be a more common issue after all. For me, pattern lock screen was working after dirty flash, but later on it suddenly had the issue that after unlocking, screen was shortly blank, then returned to lock screen. Might have been an important part of the system crashing, or maybe a graphics driver crash, don't know. The lock screen itself was fully working. Workaround was to delete gatekeeper*.key and locksettings.* from /data/system, but I wasn't able to get pattern lock to work afterwards, or it reintroduced the issue.

Also, last evening suddenly wifi failed to see any networks, and this was even the case after cold boot. Have to investigate later.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
Just wanted you to know the amazon app store loading with error (no wifi connection or something it saying). I am assuming it got to do with the signal strength no idea though.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
That's strange, I use the amazon app on my tablet and it works just fine.

My setup is a thor, flash rom, flash opengapps pico, enable build in root.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
I will get what it says exactly soon and update this (blank atm lol)
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Hoangfr0mVN:
Usb connection

I think there is a bug in USB connection, the USB preferences options have been faded out, which i can not select one.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] urigg:
After wipe, things are looking better. Avoided to set any lock for lock screen, so far no hangs.

Wifi seems to have some issue when physically going from one wifi to another, loosing wifi altogether until reboot. Need to investigate further what triggers this.

Getting mixed results on deep sleep or not, had it sleep well for a while, now netmgrd is running hot.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] urigg:
I've been playing with this on 14 some time ago but found several different of these config files, and none seemed to have an effect: My router showed it connected to 5ghz anyway.

Haven't tried much, and never tried it on 16 although I'm curious if it would fix the crash when certain APs are in reach. For 14 related discussions this is the wrong thread though.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] senthai:
Hey there,

my tablet does not rotate. When I install some tools to test the gyroscope thy say, that there is no gyroscope hardware available.

So I cannot switch to horizontal orientation. On 14.1 the rotation feature is working.

Does anybody know how to fix this?

Thx!

Edit: Nevermind... I got it working. I had to install google services directly, then the gyroscope worked...
[Kindle Fire HDX 7" & 8.9" Original Android Develop] cl-i:
@ggow has build a new 14.1 LineageOs ROM (02.02.2022) !

wifi is running perfect with automatic reconnects !!

https://xdaforums.com/t/rom-05-jul-2020-lineageos-14-1.3517481/post-86362487
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
What happened to Lineage os 16?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
ahhh so that is why. I had no problems on mine with wifi so guess rip.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
makes me glad I never updated mine past January lol
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ushilives:
Think it's abandoned as Lineage 14.1 works/runs better. Lineage Os 14.1 still gets updates.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
I am working in the background on lineage-16.0, if I can get the standard close to 14.1 then I'll make another release.

But for now I'm sticking with lineage-14.1
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
If you need help testing, I can install it on my fire hdx 8.9 and see how daily usage goes and just being on goes. Also check for wifi or bluetooth issues.

Not sure how much help I will be but on my spare time I am willing to help.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] cosmic_child:
Hi guys unfort. wifi is not running (didnt find a wirless) - any repairing idea?

thx cosmic
[Kindle Fire HDX 7" & 8.9" Original Android Develop] cl-i:
Switch to 14.1. This Rom development is freezed due to massive wifi Problems. On the other hand, now 14.1 wifi is perfect.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] cosmic_child:
thx , i did it - hopefully spotify will run on 14.1 for my nice ;-)
[Kindle Fire HDX 7" & 8.9" Original Android Develop] vsvdv:
Hello ! I am a humanitarian aid device Apollo KF. Working software Kufos OS 4.5.6 ONLY 5 APPLICATIONS WORKED, DO NOT UPGRADE. AMAZON REFUSED AND ONLY THANK YOU used your add your gratitude.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] mfxa:
This solved it for me once a connection is established. However, I still have to reboot with the power plugged in so that it can connect in the first place.

Update: The issues reoccured later, so I also switched to the stable 14.1, which solved it for me.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] puqui:
Hello!!

Someone still working on this? Sadly i dont have the knowleadge to continue the work but Im happy to help with testing.

Sorry my english
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ushilives:
As far as i know i don't think anyone is, Lineage OS 14.1 is the best. Hopefully an update comes out for LOS 14.1 as it says "working on". There is also Divest OS that has monthly updates but it is privacy based rom (basically LOS but debloated and deblobbed etc).
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Tommythecat42:
seems the links area all dead. I think im still on 14.1. Does anyone know if aptx is implemented in the other build, i believe the build here https://xdaforums.com/t/rom-05-jul-2020-lineageos-14-1.3517481/?

The main reason i wanted to try to update to this one is I saw aptx mentioned - and hoped my bluetooth buds would cut out less - they are using SBC right now it looks like.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ANtiHazarD:
Unfortunately lineage os 14.1 laggs A LOT after flashing opengapps, almost unusable :( Yeah, all links are dead and there is no hope. I just found my THOR which is literally new after 7 years :D
[Kindle Fire HDX 7" & 8.9" Original Android Develop] puqui:
Hello!! I'm

Thinking to update my THOR to lineageos 16. Do you recomend it? Do you know if the orrange and red (to do) things on the post #3 were fixed?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] sluzalaxx:
I'm still unsuccessful to boot Lineage 16 on my Thor wifi.

Device is forever on the boot screen :(
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
See here for solution:

https://xdaforums.com/showpost.php?p=83531641&postcount=17

and be sure to clean install
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
Sorry I totally forgot to get back and update my post. Since I believe it is to late to update it im making a new one,

The error code for amazon appstore I get is 404. Connection error.

Also if i turn hospot on in my phone and try to find it on my tablet it does not show up. But it shows all other wifi areas fine. (my home wifi and others it finds outside).

Also when i turn the tablet off it just turns itself back on when it should stay off.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] d89don:
Thanks for the work on this new update.

Install went fine but I'm unable to find any Wifi networks on this build at all. Even manually entering SSID and password will not connect.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] sluzalaxx:
HI [MENTION=5749760]ggow[/MENTION],

Tried this but the device return the error "Write error: no space left on device"
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
New Build is Up

[24 September 2020]

- [fixed] OMX / Video

- [fixed] Touch sounds

- [fixed] Audio in general

- [info] All the audio related spam is now gone from logcat

- [info] Clash of clans is now running - audio and 3d working fine

- [info] Audio tested with Spotify and seems good

- [info] Lots more testing and feedback required
[Kindle Fire HDX 7" & 8.9" Original Android Develop] thejinx6:
Cant see the new build in the androidhostfile site... am I being an idiot?

Thanks [MENTION=5749760]ggow[/MENTION] for your continued support!

---------- Post added at 02:13 PM ---------- Previous post was at 02:10 PM ----------

Ah, its in the root folder rather than the LineageOS folder, apologies! Going to give it a go now.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
I'll move them shortly to the correct location
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Alf111:
The error appears to me too, but the device starts up correctly after running the two command lines
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
So I updated to the latest build and indeed sound been fixed.

Netflix still crashing on me (error it gives) and amazon appstore wont load as well as disney+ crashes on launch. Hulu seems to work fine i think.

I got another question. Can we get that software part where tts for kindle books works? Or duel boot option as my 4th gen hdx kinda dying and i need to be able to listen to my books.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] alarmingseahorse:
I installed the 24 SEP build with a clean install. I got the "Write error: no space left on device" message when trying to clear fota and misc. Bootup worked fine. The wifi menu showed no networks available. I did a dirty reflash of the image. Then, wifi networks appeared, but I couldn't connect to any of them.

I repeated the clean install process again. No wifi networks appeared. I did a dirty reflash. On the initial lockscreen, Android shows the "connect to open wi-fi network" notification with the name of an open network near me. In the wifi settings, no networks appear, not even the open one. I don't know why they don't appear this time around.

Here's a pastebin starting where I was scanning for networks. The entire log was too large to paste there. Let me know if you need the earlier stuff.

bpa.st/GPRA

Edit: I should add that I didn't install any gapps or magisk on the first flash. I only installed magisk to get the log with CatLog.

2nd Edit: After another reboot, I can see networks again. Here's the log I get now when trying to connect to my wifi.

bpa.st/XZIA
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
Thanks for the log. If you get the situation with no wifi again, can you run the following commands, making sure you have root access:

adb shell
su
<grant access on device>
lsmod

then reboot tablet and just after the device has booted do the following commands and send me the output

adb shell dmesg
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Dragon Kumera:
How did you get magisk working? just flash?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
I tested magisk 20.4 and it worked for me.