Dead external Seagate 5 TB portable HDD from 2020 (ordered at that year IIRC)?

Hello,

It seems like my Seagate 5 TB portable backup HDD (Model: SRD0NF1; P/N: 2N1AP8-500; 2020; 3 partitions [encrypted APFS + exFAT + encrypted old HFS+(journal)) just died. My 4 computers (2 MBPs (2012 Mojave & 2020's Big Sur) + 2 PCs [Linux/Debian bullseye and 64-bit Windows 10]) don't see the drive anymore. 

Earlier today, I was doing a Time Machine back up fine in 2020 MBP. And then, I tried to do it again. macOS Big Sur got stuck with its animated colorful pinwheel. I tried to abort and eject, but it failed. I pulled its old school USB cable connection to make MBP respond. I rebooted and retried. It never saw the drive even though the HDD's light blinked. I tried it on another (older) MBP's Mojave, and it never saw it but its light blinked only once right after physically connecting. Same with my Linux/Debian and 64-bit W10 PCs. My Debian's dmesg -T showed failures it seems as shown in https://paste2.org/xeHxaxKN. 

Also, I can feel the drive vibration after connecting and seeing its white light up either once or blink. When the light is on/blinking, I can feel its  vibration if I touch the black enclosure. I'm going to leave the drive physically connected to see if the drive will ever show up.

What do you think? Dead/Broken? Warranty expired last year according to Seagate's web site with the serial number. Time for a new one? If so, then which reliable brand and model to get to replace it for cheap? :(

Thank you for reading and hopefully answering soon. :)
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