Samsung S20 Lockscreen Lag

[neet99]

I have recently purchased S20+ and after a week I am facing an issue when I unlock the phone. After the screen is turned on the screen freezes for some secs and then it works normally. I have tried resetting the phone and also removed the cache. I tried starting the phone in safe mode and the problem is still there.

[Pubspy]

I am having a similar problem. I am unable to set the screen lock at all. Recently bought my phone but since I have heard that the problem has been around since March I am not too hopeful of an update. Any suggestions?

[Chris1jt]

Same issue here... in 2021.

Running the phone pretty much stock, and never running more than 2 to 3 apps at a time. 

I go to unlock the phone, and my lock screen pulls up, but I'm unable to swipe to unlock. Screen just stalls. Then blurs out. If I press the side lock button the phone goes black and stays black for a prolonged period. Usually the only way it resolves is if I: 1. wait 15 - 20 seconds, after which time the lock screen sometimes reappears (and stops freezing), or 2. restart the phone (lock and volume down). It's been happening 5 or more times per day for the past few days.

Pretty ridiculous for a phone I bought just a couple months ago... And yes, I've run all system updates. Still no luck.

[ScribblingRaven]

I have had this phone since November 2020 (S20 FE 5G) & it will often lock up on me to the point where I have to manually power it off for a reboot.  I've cleaned it, updated it, I haven't overcharged it, I've done everything I've read about & it still locks up.  The lockscreen won't even let me access the phone.  I sometimes use my phone for medical purposes, & this could be a matter of life & death (literally.  I'm a paramedic).  I'm about to throw it out.