Erasing is bad. You left userdata without a filesystem.
You can "fastboot -w" but that will also invalidate any backups you have made.
You don't need to open the back to do the effect of grounding USB D+ (not D-).
If you opened it you would normally use the EDL test points.
There is a full update:
Code:
Model: Note3 (English)
Finger: ONYX/Note3/Note3:10/2023-12-12_20-36_3.5_4687b1901/12698:user/dev-keys
Link: http://firmware-us.boox.com/87cbd39a961aa48f8330c9d31b45916c/update.upx
Size: 1,707,826,394
MD5: 87cbd39a961aa48f8330c9d31b45916c