Help reflashing an Android 8.1 car mirror - General Questions and Answers

I bought an Android rearview mirror from Amazon a few months ago, didn't do much with it except installed Waze, but a few weeks ago it got stuck in a boot loop alternating between the "4G ADAS MIRROR" boot screen and the Android "No command" screen. Just constantly loops in that state.
The seller appears to be a dropshipper so they don't have access to firmware files or technical support, but the housing and interface look identical to the Bluavido AC29 (2G RAM+32G ROM) which I have seen mentioned here. Does anyone still have access to the firmware files, and instructions how how to reflash?
Also open to any other ideas on how I might recover from the boot loop. The only buttons on the housing are a power button on the bottom and a hard reset pinhole in the back.

Have you already done a hard reset?

I have tried a hard reset via holding the power button for 30 seconds as well as using the rear pinhole reset button for 30 seconds. No change in the boot loop.

Mod edit - translated by https://www.deepl.com/translator:
Hello @Mr_Goose. Did you do it? How did you do it?
***************************
Ciao mR Goose. Ci sei riuscito? Come hai fatto?

Faciula said:
Mod edit - translated by https://www.deepl.com/translator:
Hello @Mr_Goose. Did you do it? How did you do it?
***************************
Ciao mR Goose. Ci sei riuscito? Come hai fatto?
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@Faciula
As courtesy, I've translated your above post. With reference to rule no. 4 of the XDA Forum Rules, please post in English or add at least an English translation to your Italian posts.
Spoiler: Rule No. 4
4. Use the English language.
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Same applied to your post here.
Thanks for your cooperation!
Regards
Oswald Boelcke
Senior Moderator

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4. Use the English language.
We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature).
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Please use English language as per XDA rule no 4 that you agreed when you signed up on this website
4. Use the English language.
We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature).
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Mod edit - translated by https://translate.google.com/:
There will be some problems
*****************************
会有一定问题
onepluss6 said:
Mod edit - translated by https://translate.google.com/:
There will be some problems
*****************************
会有一定问题
Click to expand...
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Please use the English language! [請使用英語!]
XDA Forum Rules (excerpt):
...
4. Use the English language.
We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature). You could try :- https://translate.google.com/ or https://www.babelfish.com/ or use one of your choice.
...
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[UNBRICK] An effective way to unbrick iReader facenote 1[or Hisense A5] in Qualcomm 9008 mode.掌阅F1/海信A5高通9008救砖教程

I have gotten the complete original official fastboot rom from the after-sales service worker and unbricked my brick iReader F1(it's exactly the same as Hisense A5 in hardware,just a little different in software.I got this phone for free by the activity of reading and checking in for 180 days in China~_~),so I want to share the complete rom to help those who want to unbrick their F1 or A5 device.
Google drive:
掌阅F1(海信A5)高通9008线刷救砖教程.rar
drive.google.com
If you are in China,you can use the link below.
Baidu network disk:
链接:https://pan.baidu.com/s/1lWNS834vJPENUCZnV-Tm7Q
提取码:ugi7
Mod edit - translated by https://translate.google.com/?hl=en
Thank you for sharing
************
謝謝分享
sulunlun said:
Mod edit - translated by https://translate.google.com/?hl=en
Thank you for sharing
************
謝謝分享
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@sulunlun
Welcome to XDA! I hope you'll always get the support you require.
However, as courtesy I've translated your above post, and the same applies to your other post. This is just a friendly reminder but also warning that English is the mandatory language! With reference to rule no. 4 of the XDA Forum Rules, please post in English or add at least an English translation to your Portuguese posts.
Spoiler: Rule No. 4
4. Use the English language.
We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature). You could try :- https://translate.google.com/ or https://www.babelfish.com/ or use one of your choice.
Thanks for your cooperation!
Regards
Oswald Boelcke
Senior Moderator
iamwwt said:
I have gotten the complete original official fastboot rom from the after-sales service worker and unbricked my brick iReader F1(it's exactly the same as Hisense A5 in hardware,just a little different in software.I got this phone for free by the activity of reading and checking in for 180 days in China~_~),so I want to share the complete rom to help those who want to unbrick their F1 or A5 device.
Google drive:
掌阅F1(海信A5)高通9008线刷救砖教程.rar
drive.google.com
If you are in China,you can use the link below.
Baidu network disk:
链接:https://pan.baidu.com/s/1lWNS834vJPENUCZnV-Tm7Q
提取码:ugi7
Click to expand...
Click to collapse
Thank you for sharing. Would you please share the way how the facenote f1 can be rooted? Appreciate your help.

Question The HFP communication seems to be strange?

Qualcomm의 장치는 Bluetooth 연결되어 있으며 aptX Voice를 지원하는 단말기와 함께 사용 중입니다.
전화를 걸면 WB로 동작합니다.
받아보니 SWB입니다.
이것이 정책이 작동하는 방식인지 또는 장치의 오류인지 아는 사람이 있습니까?
Mod Edit: English Translation Below
Qualcomm's devices are Bluetooth connected and are being used with handsets that support aptX Voice.
If you make a call, it works as WB.
I got it, it's SWB.
Does anyone know if this is how the policy works or if it's an error on the device?
@hanbyul.yoon
Spoiler: English / 영어
Hi! I see that you're new here. Welcome to XDA! Please note that XDA is an international forum, and hence only English is permitted to be used across the website.
The above is as per the Forum Rules:
4. Use the English language.
We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature). You could try :- https://translate.google.com/ or https://www.babelfish.com/ or use one of your choice.
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As a courtesy, I've added the English translation to your post. Going forward, kindly use English to post/reply on the forum.
Regards,
shadowstep
Senior Moderator
Spoiler: Korean / 한국인
안녕! 나는 당신이 여기에 새로운 것을 참조하십시오. XDA에 오신 것을 환영합니다! XDA는 국제 포럼이므로 웹사이트에서 영어만 사용할 수 있습니다.
위의 내용은 포럼 규칙에 따릅니다.
4. 영어를 사용하세요.
다양한 국적을 가진 모든 사람이 영어를 잘하는 것은 아니지만 시도해 보십시오. 영어로 게시할 수 없다면 온라인 번역기를 사용하십시오. 영어 번역 아래에 모국어로 원본 메시지를 자유롭게 포함할 수 있습니다. (이 규칙은 게시물, 프로필 항목 및 서명에 적용됩니다). https://translate.google.com/ 또는 https://www.babelfish.com/을 시도하거나 원하는 것을 사용할 수 있습니다.
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예의상 귀하의 게시물에 영어 번역을 추가했습니다. 앞으로 영어를 사용하여 포럼에 게시/답글을 작성해 주시기 바랍니다.
문안 인사,
섀도우 스텝
시니어 사회자

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