this post was submitted on 29 Jul 2023
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For me its the 'Knock Code' that LG had on their phones (I really wish LG still made at least the V series phones)

Basically there was a four-square area and you set up a sequence of where you would tap to unlock the phone. That set of squares was only shown when you set up the code

Then, to unlock your phone, you would tap those areas in the sequence you set up (even with the screen off).

Fingerprint readers are nice, but I really do miss the knock code

Edit: did find this article with a way to do the knock code, but if done wrong, could brick your phone I guess.

Plus, article is from 2014. When I looked at XDA's info on it (they also being the developers) it looks like development on it is over, but individual modules may or may not still be supported by their devs

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[–] pineapplelover@lemm.ee 62 points 1 year ago* (last edited 1 year ago) (4 children)

Headphone jack, dedicated fingerprint reader, removable battery, physical sim card trays

Edit: expandable storage

[–] BigMoe@lemmy.zip 15 points 1 year ago

Definitely miss the dedicated fingerprint reader. Had a metal case once that came with a fairly thick (tempered glass I think) screen protector. Everything worked great except the fingerprint reader.

Removable batteries may come back since the European Union has mandated all smartphones have them by 2027

[–] Sl00k@programming.dev -1 points 1 year ago (1 children)

physical sim card trays

Seems like a backwards move IMO. honestly haven't needed a tray in ~6 years

[–] AceFuzzLord@lemm.ee 4 points 1 year ago

That tray is important to me at least since my last couple phones used that same tray to also hold the SD card. I can't speak for anyone else, but a phone without an SD card for extra storage is a huge NO from me, so that tray is an absolute make or break for what my next upgrade is gonna be.