I’m seeing the same problem. It was working fine on the previous version of Home Assistant, but the June update seems to have broken this in older browsers?
I just bought a 2021 release fire hd10 plus on prime day and installed fully kiosk browser from Fully Kiosk Browser & App Lockdown Help - Fully Kiosk Browser
using Fully Kiosk Browser APK
ver. 1.50.4 (for Android/Fire)
I didn’t have to install google play and the only time the ad pops up (and goes away as soon as FKB launches (3seconds) ) is when I re-power the device. Other than that, use FKB settings to get the desired results.
This video does an ok job of outlining the settings.
(14) Fully Kiosk Browser TUTORIAL with Home Assistant on Fire Tablet - YouTube
He also goes over fire toolbox, but it is not necessary. hope that helps
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“This video does an ok job of outlining the settings.”
Did you intend to include a video link here, only that I’m in the same boat? Thanks.
yeah, sorry. This is the one I used:
(14) Fully Kiosk Browser TUTORIAL with Home Assistant on Fire Tablet - YouTube
Can anyone comment on the speed/usability of the Fire HD 10 when using FKB and HA?
I currently have a Fire HD 8 plus but that tablet just seems too slow for HA, quite laggy unfortunately. My Lovelace dashboard is not too big either.
I did cut internet for the tablet in the router, FireOS not updated since ~2 years but should not make a difference I think…
Have you debloated the HD 8? That may help.
I have 5 of the 2022 HD 8s and 3 HD 10s. I’m using WallPanel instead of FKB. I used the Fire Toolbox to completely debloat the tablets. They’re also cut off from the interwebs. No performance issues here.
I didnt actually, I was - maybe wrongly - thinking, cutting internet would be enough.
Let me revisit that and debloat the bloody thing 
Debloated the FHD 8, but that did not help.
Ordered an FHD 10, much better (I noticed also no difference before and after debloating). Still a slight delay but thats OK, WAF factor improved 
FHD 8 up for grabs
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I was reading all the posts and I pinch myself trying to find out if I’m dreaming or not.
Everybody seems to have NO Problems with Amazon Tablets and I have problems every 6-12 hours. It’s just a nightmare.
I’ve wrote another post with my problems and some thoughts on the following link
How comes you don’t have problems guys?
And why you don’t mention the versions you have??
HA version, Fire Os version, Webview version of tablet and FKB version.
Currently I am on
HA Version: 2024.2.1
Webview Version: 114.amazon-webview
Fire Os Version: 7.3.2.9
FKB Version: 1.54.1
All of the above are really important and I’ve gone trough a whole of a conversation and nobody is mentioning the above versions.
So that makes me to wonder, if I am the only one who has a problem and want to throw the damn tablets from window or there are others too ???
I have 2 Amazon Fire HD gen 9 (2019) almost 4 years now.
Internet access is blocked.
Most of the time, they worked properly.
Sometimes FKB crashed and tablet freezed but with a reboot it worked again…
But for 30 days now, I just have to face a night mare.
Probably something from the above versions is causing problems and as a result webview makes FKB to crash.
I confirm this from FKB browser logs after the crash has occured.
I can’t downgrade tablet and I can’t downgrade webview version.
(I already reset tablets, I was on version 120 and fallback to 114)
So I dowgraded FKB from version 1.55 to 1.54.1 but problems still remains.
So the only left is Home Assistant, but I don’t know how many version back I have to go ??? At least to try …
Am so fed up, I have done a tone of automatons with TTS, that also are in my native language (greek) and can’t use them anymore!!!
I can’t even use the cameras anymore…
I have switch to wallpanel app but as application is limited comparing to FKB.
So what are the options here??
Anyone has face the same situation like me ???
How did you face it ???
I’m desperate to listen for any suggestions to try as I have run out of ideas…