March 2021 Update - TCL Plex Guides, News, & Discussion

Got a new update for TCL Plex today
I think it's only for the regular android security patch (1st feb 2021)
v.2.0.2B.H.G
size: 138.1MB

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Why do latest Android Security Update firmwares have old file dates?

I'm not a noob, but I am confused about something that I think should be simple:
Monthly Android Security Updates
I apparently have to install these manually, since OTA updates fail supposedly because I run a rooted phone w/ custom bootloader/recovery.
Google has been making it a point to release security patches every month:
http://source.android.com/security/bulletin/index.html
March 2016's is here:
http://source.android.com/security/bulletin/2016-03-01.html
On that page they say:
"The Nexus firmware images have also been released to the Google Developer site.", with a link to:
https://developers.google.com/android/nexus/images
I download firmware for my Nexus5 Hammerhead MMB29K:
https://dl.google.com/dl/android/aosp/hammerhead-mmb29k-factory-1943f0f5.tgz
I unzip that file and list the contents:
Code:
Pvs-MacBook-Pro:hammerhead-mmb29k pv$ ls -la
total 1218408
[email protected] 8 pv staff 272 Nov 18 15:44 .
drwx------+ 28 pv staff 952 Mar 9 10:55 ..
[email protected] 1 pv staff 3195188 Nov 18 15:44 bootloader-hammerhead-hhz12k.img
[email protected] 1 pv staff 974 Nov 18 15:44 flash-all.bat
[email protected] 1 pv staff 845 Nov 18 15:44 flash-all.sh
[email protected] 1 pv staff 798 Nov 18 15:44 flash-base.sh
[email protected] 1 pv staff 574092301 Nov 18 15:44 image-hammerhead-mmb29k.zip
[email protected] 1 pv staff 46515712 Nov 18 15:44 radio-hammerhead-m8974a-2.0.50.2.28.img
Pvs-MacBook-Pro:hammerhead-mmb29k pv$
So, my question is:
Why does Google say that the March 2016 Security Updates Nexus devices are available for download, but the files themselves are dated November 2015?
This begs more questions:
Are the March 2016 Android Security Patch Levels really in the 6.0.1 November 2015 dated files?
If not, then why does Google say that I can get the March 2016 updates for my Nexus 5 from the firmware download page?
How do I non-OTA update my Nexus5 to the latest Security Patch?
Thanks!
Pv

Why do latest Android Security Update firmwares have old file dates?

I am confused about something that I think should be simple:
Monthly Android Security Updates
I apparently have to install these manually, since OTA updates fail supposedly because I run a rooted phone w/ custom bootloader/recovery.
Google has been making it a point to release security patches every month:
http://source.android.com/security/bulletin/index.html
March 2016's is here:
http://source.android.com/security/bulletin/2016-03-01.html
On that page they say:
"The Nexus firmware images have also been released to the Google Developer site.", with a link to:
https://developers.google.com/android/nexus/images
I download firmware for my Nexus5 Hammerhead MMB29K:
https://dl.google.com/dl/android/aosp/hammerhead-mmb29k-factory-1943f0f5.tgz
I unzip that file and list the contents:
Code:
Pvs-MacBook-Pro:hammerhead-mmb29k pv$ ls -la
total 1218408
[email protected] 8 pv staff 272 Nov 18 15:44 .
drwx------+ 28 pv staff 952 Mar 9 10:55 ..
[email protected] 1 pv staff 3195188 Nov 18 15:44 bootloader-hammerhead-hhz12k.img
[email protected] 1 pv staff 974 Nov 18 15:44 flash-all.bat
[email protected] 1 pv staff 845 Nov 18 15:44 flash-all.sh
[email protected] 1 pv staff 798 Nov 18 15:44 flash-base.sh
[email protected] 1 pv staff 574092301 Nov 18 15:44 image-hammerhead-mmb29k.zip
[email protected] 1 pv staff 46515712 Nov 18 15:44 radio-hammerhead-m8974a-2.0.50.2.28.img
Pvs-MacBook-Pro:hammerhead-mmb29k pv$
So, my question is:
Why does Google say that the March 2016 Security Updates Nexus devices are available for download, but the files themselves are dated November 2015?
This begs more questions:
Are the March 2016 Android Security Patch Levels really in the 6.0.1 November 2015 dated files?
If not, then why does Google say that I can get the March 2016 updates for my Nexus 5 from the firmware download page?
How do I non-OTA update my Nexus5 to the latest Security Patch?
Thanks!
Pv
Ping! Seriously, no one bites on this one?
I'll answer my own question: The answer is even lamer than I thought.
The download link that the monthly security bulletin(s) point you to is a download to the original [aka: "old"] system image.
As I pointed out, the March [now April] 2016 link for a recent Security Update for my Nexus 5 sends me to the download for the November Nexus 5 System Image.
I install that image, and soon after booting it prompts me to install the January 2016 Security Update.
Here is where it gets lame...
Soon after rebooting after the January 2016 SU it prompts me to install the February 2016 SU.
Soon after rebooting after the February 2016 SU it prompts me to install the March 2016 SU.
Soon after rebooting after the March 2016 SU it prompts me to install the April 2016 SU.
I'm seeing a [lame] pattern here.
How annoying!
Can't they just update the system image w/ the latest Security Update?
Or, provide me with a SU with all of the previous SUs?
I repeat: Lame!
Pv

Can I Downgrade Android Security Patch Aug 2017 To Oct 2016 ? Possible ..

Hi Developers ,
Can I Downgrade Android Security Patch Aug 2017 To Oct 2016 ? Possible .. If Possible Please Guide Me .. I Am New For This ..
I Bought Note 4 It Have 1st Aug 2017 Security Patch .. I Need To Security Patch Oct 2016
Model -SM-N910G
Model name -GALAXY Note4
Country : India(INS)
Version- Android 6.0.1
Changelist- 8966008
Build date -Tue, 04 Oct 2016 07:13:19 +0000
Security Patch Level - 2016-10-01
Product code- INS
PDA - N910GDTS1DPJ2
CSC - N910GODD1DPH4
If I Did Any Problem Will Rise ? Please Guide Me

September 2021 update

v2.0.2B.H.U.
Android sec patch: September 1, 2021

Question Oxygen 12.1 / Android 12 / DN2103_11_C.12

443 MB - This update improves system security ( integrates the December 2022 Android security patch to enhance system security)
Just received OTA
Nice

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