Installing Previous Version of CM - Android Q&A, Help & Troubleshooting

I recently purchased a Roku Express and want to cast (screen mirror) from a Nook HD+. I have CM14 (Android 7.1.1) installed on the HD+, but when I select Settings>Device>Cast the tablet does not find the Roku device (although it does find my Google Home Mini). I also have a Samsung Tab A 10.1 running OEM Android 7.0 with the same problem (feature?). However, I am able to find and screen mirror using my Samsung S4 mini running CM13 (Android 6.0.1).
I have read that Android dropped native support for miracast from recent releases, which I suspect may be the problem. While the HD+ is a great tablet, it doesn't get a lot of use now that I have the Tab A. So I'm thinking of installing an earlier version of CM to see if this solves the problem. I am using TWRP 3.1.1-0 for recovery purposes.
Here are my questions. Is there any danger or problem when installing an older version of CM over a newer one? If this doesn't solve the problem, will my backup of the current OS reinstall without a problem? Are there reasons why this may not be a good idea? Is there another option to implement screen mirroring?
Thanks!

Related

[Q] KitKat For GTP-7510

I have a Samsung Galaxy Tab 10.1 (gtp7510) - I have install a OS that wasn't good, the screen is flicking before I boot - only 4GB are available, etc...
I would like to format my tablet and install a fresh new android kitkat, is that possible on my device?
EV2121 said:
I have a Samsung Galaxy Tab 10.1 (gtp7510) - I have install a OS that wasn't good, the screen is flicking before I boot - only 4GB are available, etc...
I would like to format my tablet and install a fresh new android kitkat, is that possible on my device?
Click to expand...
Click to collapse
Twrp latest here better flash it
http://forum.xda-developers.com/showthread.php?t=1833136
Then 4.4 rom from here. Rom is a bit experimental)
http://forum.xda-developers.com/showthread.php?t=2576610
You might wanna take a look here too...
http://forum.xda-developers.com/showthread.php?t=2668337
Also by kasper_h. Thou in beta status it works like a charm.

Lineage OS 14.1 Galaxy S2

Hello Buddys ,I wanted cyan 10.1, but does not go anymore,i have install Lineage 7.1.1 on my S2,have not installed the gapps, running stable.I would like in the monitor mode, had bcmon, but did not go.I also have the alfa rt3070 and a radio antenna.Would like to use this hardware
Official weekly build?
https://download.lineageos.org/i9100
hayabusa777 said:
Hello Buddys ,I wanted cyan 10.1, but does not go anymore,i have install Lineage 7.1.1 on my S2,have not installed the gapps, running stable.I would like in the monitor mode, had bcmon, but did not go.I also have the alfa rt3070 and a radio antenna.Would like to use this hardware
Click to expand...
Click to collapse
Monitor mode and bcmon doesn't work on lollipop or above roms unfortunately, not sure about kitkat, but it works great in jellybean, it's an app related as it wasn't updated for years.

Having issue with my S4 mini gt19192

hi, i have updated my s4 mini gt19192 dual with 5.1.1 Lolipop but i have some issue with cm 12.1 latest update. 1. when i open a large size application it hang. 2. in running of one application when i minimize and open another application the first running application don't work and till it hang even reboot device. please tell me what i do. Thankx

MK808B plus making own ROM (and everything about tv version of android)

HI iam new and i want to create own android 8.0 or 7.0 rom for my android tv stick i previously falshed roms to my tablet(succesful) dads phone(succesful but not supported dual sim) dads tablet(unsucessfule deleted nand and stuck at TWRP) but thats been only flashing and i will be fairly ok if some Roms with above versions of android exists but they are not so i have some question which tutorial should i follow?,How can i tell the android that the device is in landscape mode?,Which apps should i change so it will fit with the style(already know TV laucher and TV Gapps)?And will it natively support 4 directional input like dpad for navigating trought it?

Looking for a minimalist ROM for Galaxy Tablet 10.1 (GT-P7510)

Hello everyone,
I have this old tablet I want to give to my daughter for watching cartoons in the car. I have rooted it several years ago, it was working normally but now it's not working well. I think most of the apps nowadays are asking for more resources than this old thing can provide.
So I am looking for a minimalist ROM for this, so it can play cartoons, maybe connect to Netflix, and connect to WhatsApp (or similar video call app) to talk to her mother when she's away.
Any suggestions?
here
[DEV] Kernel 4.4 & Android 8.0 Oreo
Kernel v4.4 and Android Open Source Project 8.0 Oreo for Samsung Galaxy Tab 10.1 (p4wifi / GT-P7510) (p4 / GT-P7500) (p4tmo / SGH-T859) I have ported this device to Android Linux kernel v4.4. This is the official Android kernel...
forum.xda-developers.com

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