yashsingh1/xdaforums huggingface dataset:
[Kindle Fire HDX 7" & 8.9" Original Android Develop] jeryll:
I had the exact same problem with clean flash, same error...

If you want to try again, reboot recovery itself from menu in twrp after wipe, you will get warning that you don't have OS installed, but reboot from recovery to recovery again is just fine - and then fire nexus will install with no problem...

I have Apollo with unlocked BL and TWRP 3.0.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Obviously don't do this if running Safestrap v4. Never want to fully remove the last/only bootable OS on SS v4 unless 100% confident there is a known good flashable/recoverable image on the device.

---------- Post added at 08:37 AM ---------- Previous post was at 08:32 AM ----------

Fwiw - also received this error flashing a derivative of this rom on a different device (2015 Fire) and recovered in the same manner. At the time I figured is was a quirk in the device and didn't report it.

---------- Post added at 09:30 AM ---------- Previous post was at 08:37 AM ----------

Quick feedback:

- Really enjoying the return of location services support to this rom. No more reaching for my mobile for mapping, local weather, etc.

- Active battery life seems to be incrementally better. Hard to say for sure as daily activities vary; GSam also suggests a slight improvement

- Sleep battery consumption remains excellent, typically <3% per day (24 hours) with WiFi on and ~1% with radios off.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] FotixChiang:
thank you again ggow! but i wonder anyone had ever tried to replace Kinguser with Supersu? I dont know if 'supersu me' woks.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] BOFH2k:
Great work, thanks. Will test. By the way, what is the recommended upgrade procedure for this ROM ging forward (without setting everything up from scratch each time): Flashing the new ROM in SafeStrap without wipe or do I need to wipe and use a backup app to restore?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
If you are on stock with KingRoot/KingUser then installing Safestrap, factory reset install this ROM and you will have SuperSU with no traces of KingRoot or KingUser.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
- I tried dirty flashing from Nexus 4.0.5 and it didn't work for me - bootloop

- I would say take a backup in case you want to go back

- Maybe backup your apps via Titanium

- Then do a clean install for best results
[Kindle Fire HDX 7" & 8.9" Original Android Develop] zachmanthewise:
I have a weird issue -- I'm logged into Google Play/Play Store on my main US account, and apps that I've bought (games and such) want me to 'buy' them again. Do I just need to give it time to settle?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Reboot and check again. Likely issue will self-correct.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
I had the same issue with various devices, it does seem to catch up eventually and work correctly in the end.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] zachmanthewise:
Yep! worked fine after waking up this morning. I've never had that happen before, but I only recently started buying apps so maybe I've just never noticed!

Everything else, so far, is working great!
[Kindle Fire HDX 7" & 8.9" Original Android Develop] bamb0o:
Thanks. It works well till now.

Can you fix the problem? : music stops in a very short time when display turns off or press power button to turn off display. It always happens in every ROM - CM11, Nexus ROM and this ROM.

Sorry for my poor English.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
Which app are you using for music?

I'll take a look once my new laptop arrives.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] bamb0o:
1. Aimp3, Fusion music player, Apollo : stops in a short time when press power button and display turns off

2. some other music player(I tested black player, doubleTwist, Sonaz Music Player, Stellio) : works well. But when music changes, It makes sound like impulse (pop! and this is quite a big sound)

I cannot find music player that has no these issues.

If one has issue 1, that has no issue 2. If one has issue 2, that has no issue 1.

--------------------

poweramp and jet audio have no issues. They work perfectly.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] BOFH2k:
Used adb for backup:

adb backup -f BackupCM11_20160303.ab -all -nosystem -apk
adb restore BackupCM11_20160303.ab

Still experience reboots sometimes though, seem to be provoked by screen rotation.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
Did you install this coming from FireOS 4.5.5.1 via Safestrap or have got an unlocked bootloader?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] BOFH2k:
FireOS 4.5.5.1 via Safestrap
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
I'll load up my Thor device and try to replicate the issue
[Kindle Fire HDX 7" & 8.9" Original Android Develop] BOFH2k:
Funnily enough I haven't experienced the issue for quite a while now, actually not at all after the first reboot. Will keep you posted should it occur again...
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
[MENTION=7002913]paragon1a[/MENTION]

New Apollo file is up :)
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ossizwei:
New Apollo Rom

Thank you very much for your great work. Flashing Apollo under TWRP now works correct. :)

I tried your first uploaded rom an got an error 6.

Greetings from Germany

Norbert
[Kindle Fire HDX 7" & 8.9" Original Android Develop] paragon1a:
Updated my Apollo with the new file and all went well. Thank you !
[Kindle Fire HDX 7" & 8.9" Original Android Develop] mt12345:
for SafeStrap too?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Yes - Fire Nexus rom is suitable for Safestrap v4 users as stated in the OP.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ggow:
The marshmallow version when it arrives will not work with Safestrap
[Kindle Fire HDX 7" & 8.9" Original Android Develop] mt12345:
Kindle >> Swappa :crying:
[Kindle Fire HDX 7" & 8.9" Original Android Develop] earlgrey_44:
Well, here's something dumb

<delete>
[Kindle Fire HDX 7" & 8.9" Original Android Develop] adeba:
Hello, i cant duplicate screen to fire TV stick. I See the stick but cant connect.any solution?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Not sure screen mirroring to Fire Stick will work with a custom rom.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] Draekhost:
This is now up and running on my apollo device. The Substratum release looks great. I'm almost always using a bluetooth keyboard, though, and didn't want to risk bluetooth problems for now. Thanks a ton for releasing this ROM!
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
This is a GREAT rom - stable and feature complete despite KitKat roots. Add the Nova launcher, Greenify, Xposed framework and a few well regarded modules (GravityBox in particular) and you have an enviroment that rivals some of the best features in Lollipop/Marshmallow in appearance and functionality. The only thing that pushed me to Lollipop/Marshmallow on HDX devices was a critical app that would not run on KitKat. I still miss classic Fire Nexus/HDX Nexus; it served me well for 18 months.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ZMOT7S:
I'm having a problem upgrading from the 4.2 version of this ROM. I have TWRP 2.8.4.0 on my Kindle Fire HDX 8.9. I'd really love to upgrade to 4.4 since I signed up for DirecTV Now and it doesn't work on 4.2.. This is what returns when I try to flash the ROM.

Edit: I managed to get it working by flashing this updated bootloader firmware. http://xdaforums.com/kindle-fire-hdx/development/twrp-flashable-3-2-3-bootloader-upgrade-t3025504

Thanks for putting in the work on this ROM! Hope it runs as smooth as the last one.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] idowens:
I apologize if this has already been answered but I couldn't find a definitive answer.

I have Thor and just installed the the latest build of Fire Nexus in OP. I wondering if LTE will work on my device (Verizon is carrier and it worked great on FireOS prior to rooting, unlocking bootloader, and installing this ROM.) It's not a dealbreaker if it doesn't work, but if there's a way to get it working, I'd love to set it up.

The SIM card is properly installed. Thanks in advance for any direction!

UPDATE: I was able to manually create an APN under Mobile Data settings (coping the actual field values from my Verizon cell phone) and connect to the 4G network successfully.

One little 'quirk' was that in the Menubar, there was constant alert that reads, "selected network (311480) unavailable". (311480 is the mobile network code for Verizon 4G LTE in the US.) However, after I rebooted twice, this went away. It's also worth noting that the same SIM card had been previously activated on the Verizon Network on this tablet (when it was stock FireOS, so YMMV.)
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
LTE functionality/support is sketchy with all custom ROMs for this device. This build and CM11 offer the best experience. Primary developer does not have a LTE device so difficult to debug fussy interface with Amazon hardware. Expect an uneven experience at best. Don't believe LTE works on Lollipop/MM roms.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] ands2:
Is CIFS supported added with the last updates? Or will there be perhaps an optional addon package?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] idowens:
Show battery percentage?

Can anyone confirm that the following code will work on this build to show the battery percentage in the taskbar?

adb shell content insert --uri content://settings/system --bind name:s:status_bar_show_battery_percent --bind value:i:1
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Xposed + GravityBox does the trick nicely. Realize that doesn't answer directly answer your question but is a better solution for most users of this rom. Also works with most CM builds.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] idowens:
Has anyone successfully gotten Amazon Video to work with this ROM? I know recently Amazon changed delivery methods and the Video app has to be downloaded through the Amazon Underground app. This works fine on my non-rooted HTC 10 phone, but from my tablet (running this ROM), when I visit the Video page from the Underground app, I get the equivalent of a 404. I wonder if they can tell I'm coming from a rooted kindle.

I may investigate spoofing a user-agent string. I've tried directly installing an APK but I get a parse error upon trying to open/install it.

Any direction would be appreciated. Otherwise, I'll follow up with anything I find.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
I have seen this silliness before with Amazon Instant Video (same symptoms) on both KitKat and Lollipop ROMs. Most reliable remediation is to uninstall everything and then snag the latest Underground build from APKMirror. Once the app initializes (painfully slow) it will snag the latest Instant Video app. If the 404-like errors persist look for a hamburger menu on the left. Selecting an option often allows the app to continue and often cures the problem on subsequent invocations.

As I recall video cover pages do not always display but the content plays fine. Just gave it a whirl on three different gizmos including a KK phone and two Amazon tablets from different generations running CM 12.1. Everything worked flawlessly - albeit slowly. Unfortunately, I don't have a Nexus build on tap at the moment but I previously used this ROM/build as my daily driver and had Amazon instant video working.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] idowens:
Davey, I was able to get the Underground APK installed but still couldn't download the Video app via Underground (the new Amazon app.) When I manually installed the Video app (via APKMirror), I was finally able to get it to install.

It looks like the Play Store version won't allow the Video app to run. You were also right about the Cover Images of Movies/Shows not displaying (weird) but the content does indeed stream just fine.

Thanks so much for your continued feedback and support!
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Appreciate you posting your experiences; likely will help someone downstream. Interesting how 'fussy' the Amazon app is with regard to the video component. Most get it to work eventually but the path(s) to success vary with the wind.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] preisl:
Hi,

is anyone else experiencing high battery usage of Google Services on the latest version? I have been moving back from CM-13 to this one, because I wanted to have reliable Bluetooth connectivity, however, with the current forecast, the battery will only last for about 12 hours :( Repeated the factory reset and flash procedure twice with the same result :(

Best regards,

Martin
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Try flashing the latest Open GAaps build (arm/4.4/nano) concurrent with rom. This is the same GAaps package that is included with the Fire Nexus rom zip but with the latest framework components which can not be updated via silent OTA updates. Recommend flashing rom and GAaps package together for best outcomes, although this appears to be less of an issue with Nexus vs CM 13.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] MrPuddington:
Thanks

This is a great ROM: 4G works, Google apps work well, and I am happy all around. The only slight problem is that the safetynet fails, but that could be because the ROM is pre-rooted. Has anybody tried after removing root?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] CocoBun:
So I'm trying to use kernel adiutor and govtuner to set my cpu gov to interactive and use govtuner's performance profile with that but I can't get kernel adiutor apply on boot to work the govtuner profile stays on performance after reboot but using ondemand instead of interactive. Can anybody help me? Never mind apply on boot does work just changing to interactive doesn't. Is there another way I can do that?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Interactive works fine on this device. I previously used Kernel Adiutor to apply such changes but it got flakey in the past few releases so I switched to EX Kernel Manager. Been meaning to give Kernel Adiutor another whirl as I like the interface better. Sounds like it still has some issues.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] CocoBun:
I gave up on govtuner I couldn't tell much difference I'm using kernel toolkit and got pro switched to interactive and set the parameters to aggressive (balanced was default) also I know it hasn't been updated in almost 3 years but seeder is really good for lag and speed ups
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
I set kernel parameters, including govonor tunings, manually with good result. If seeking a user friendly option for enhancing device performance consider L-Speed or Apps2SD. Keep in mind device defaults already have a performance bias; not going to coax much more out of a 3rd gen HDX. My preference leans toward a balance of snappy response and long battery life. Default seeder values (128/256) are fine for all but the most aggressive usage scenarios.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] m43k:
Have the Amazon APKs been removed from apkmirror? I searched but couldn't find them. I tried the APK from Amazon download page but I get the 404 error when trying to browse/install new apps. I can, however, install apps which I've previously purchased.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Would appear so. Be interesting to see how this plays out. Amazon may be making some moves to further preserve their ecosystem.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
I have had a 8/13 clean install of this ROM running with no problems until this week and now getting spammed with "process android.process.acore has stopped working"

I tried clearing all my cache from a thread I read elsewhere and I just now I d/l the newer ROM file that I saw was avail but not installed yet.

What should I do next to fix this problem and is the updated file important to install?

I just looking to do the minimal to get this fixed and hoping it wont require a factory reset to get it working again TIA.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Clear cache/data from Contacts app.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
I cleared the cache and data from contacts and while its not spamming the process error its still popping up.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Obviously on the right tract. Try rebooting then clearing contact data again. Google is your friend.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
ATM it seems to be fixed by disabling contacts and contacts storage so thanks for putting me in the right direction.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
I having a problem with short battery life while not using my tablet and think its mainly from apps running in the background when I am not using my tablet but not sure how to test for this problem or what be a good app to use for this problem?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Thoughts:

- disable WiFi when device sleeps (settings->wifi->advanced [3-dot menu])

- use Greenify to monitor and hibernate background tasks

- may need to install Xposed Framework for the most effective control

- don't get drawn into tracking/limiting wakelocks - messy business
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
What that? don't get drawn into tracking/limiting wakelocks - messy business
[Kindle Fire HDX 7" & 8.9" Original Android Develop] unhappybirthday:
If running with safestrap, make sure rom is in primary slot.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Don't worry about it. Lots of chatter about alarms, wakelocks and a tool called Amplify in various battery forums. For most attempting to manage wakelocks creates more problems than it solves.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] kkcheong:
Just root and unlock from 4.5.5.2, then install this ROM because I can't boot into 4.5.5.2 anymore.

Very stable this ROM.

Pretty much run everything. Netflix. Chromecast also works perfect.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] tselling:
restricted user profile?

Has anyone had any luck setting up a restricted user profile? I set one up but no apps get shown when changing to that profile. After waiting awhile I got a Launcher3 not responding popup.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] unhappybirthday:
I'm using this rom with a restricted profile successfully. I don't have much advice because I haven't had any issues.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] tselling:
I can setup regular profiles and they work fine, but the restricted one just isn't working. I even reloaded the rom. The restricted profile hangs with a black screen.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
somewhere I thought I read and/or am hoping I can use a mike with tablet and rom can I with the right hardware/software will keep me for getting the new amazon tablet with that feature. TIA! Thank in Advance for those unable to look up that meaning!
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Google "Alexia Android"; tons of relevant articles (example). Device has an integrated microphone; can probably add an external one via Bluetooth.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
I already have 2 Alexia devices my question can I hook up a mike to my HDX 7 and your that with any apps that voice abilities like google now?
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Don't know - never heard of anyone using an external mic with this device. HDX has integrated mic; try that first to see how Alexia performs w/KitKat ROM. Can experiment with a BT mic later.

Correction to earlier post: OTG is not available on this device (thought I was in Fire 7 thread; my bad).
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
Ok I never knew that tablet had built in mic and it working well with google voice search :)
[Kindle Fire HDX 7" & 8.9" Original Android Develop] techmanc:
New question for this rom which come from not being able to run DirectTV Now which I will just call DTVN for shorthand which is caused by AT&T not wanted their app to work on rooted devices.

So I do have the rootcloak beta which is version 3 at this moment and the att.com is in the block list and tried all kinds of methods to get it to work to no avail so let me post here for feedback and any questions.

Be great to get this working on the tablet I have as opposed to buying another just get tablet thats not rooted. Thanks!
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Might want to track recent posts in this thread which discusses a way to hide SuperSU binaries. However, I believe it requires a "systemless" root which can be problematic on Lollipop based ROMs (at present all stock/custom ROMs for this device are based on Android 5.1.1).
[Kindle Fire HDX 7" & 8.9" Original Android Develop] m00head:
More information about how to hide SuperSU binaries is available in this thread:

[2017.08.15] suhide-lite v1.08 [EXPERIMENTAL/UNSUPPORTED] - XDA Developers

https://xdaforums.com/apps/supersu/suhide-lite-t3653855
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Thanks. Be sure to skim the SRx thread posted earlier in addition to the one linked above before making the jump to SuperSU 2.8x. Early adopters faced challenging bootloops and other anomalies - especially on Android 5 based ROMs. Things are looking better with v2.82 SR3 but the final chapter(s) have yet to be written. Enjoy!
[Kindle Fire HDX 7" & 8.9" Original Android Develop] m00head:
Have you tried unchecking the 'Enable Superuser' option in the SuperSu settings and then rebooting? This setting can fool some apps but not others, and is not the same as the 'Full unroot' setting.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] yusufmotiwala:
Is prime video working with this ROM. There was an issue with 4.0.5 ROM regarding prime video crashing.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
AFAIK - yes. But it's been awhile since I used this ROM. KitKat is getting long in the tooth. Quite possible updates to Prime Video (Amazon Underground) have introduced incompatibilities.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] yusufmotiwala:
Thanks, can anyone using this ROM confirm. The reason I need to be on this ROM is LTE which doesn't work in other ROMs based on latest android version (correct me here).
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Confirmed - you will need to remain on an Android 4.4.x based ROM (CM 11, FireOS or Nexus) for LTE support.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] yusufmotiwala:
Thanks [MENTION=5488402]Davey126[/MENTION], I assume your confirmation is for prime video (and not LTE)
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Actually the opposite. KitKat based ROMs are a prerequisite for LTE support on 3rd gen HDX devices. In contast, prime video (via Amazon Underground app) generally runs on Android 4.1 and up. Whether it remains compatible with the CM11 and/or Fire Nexus builds for this device is the question.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] yusufmotiwala:
flashed this ROM, stuck at four animating symbols/dots from last few minutes, is it normal? dalvik cache wiped after flashing.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] DB126:
Not normal - likely did not wipe system partition before flashing.
[Kindle Fire HDX 7" & 8.9" Original Android Develop] yusufmotiwala:
well, I rebooted and it again started in the same situation. However, it after a long time, it presented android welcome screen and all good after that. Not sure why it happened.