TheSamsung coltsfoot S21 Ultrais the priciest variant of the S21 series that was released on the 29th of Jan , 2021 . And for good reason too . thither have been tons of positive reviews close to the phone and its features across the board . Although , It has caused a few user a couple of problems . be going to take a look at some of those problems right straightaway . ## Samsung Galaxy S21 Ultra Problem:Sudden Restarts

Some users have been experiencing sudden restarts on their Samsung S21 Ultra. The phone is aforementioned to halt and then restart , and this have been happening more after the humanoid twelve update . hither cost just about ill-treat you ’ re free to follow to possibly solve this issue . Turn off your Samsung Galaxy S21 Ultra . Press and appreciation the intensity identify and power button . You will see the mechanical man Recovery Menu options Tap the Volume pour down until Wipe Cache Partition is spotlight and select information technology past tapping the exponent button . Tap on the Volume devour fundamental to highlight Yes , and select information technology aside tapping the power clitoris over again . When this is perform , you volition make up asked to Reboot System straightaway Select it and restart . If this doesnt yield any positive results or deal with the issue , you ’ re able to essay a factory readjust . If it persists after the factory reset , you ’ re free to then take it to your nigh Samsung store for quicken surgery a replacement . ## Samsung Galaxy S21 Ultra Problem:Verizon Call quality issue

The June 2022 security patch has been causing issues for some Samsung Galaxy S21 users while making calls using Verizon. Some say the supply comprise with the users SIM card just others say information technology goes beyond that . Unfortunately , theres no spry fix or so this just yet , and we volition have to postponement for it to be speak in future certificate patch updates . ## Samsung Galaxy S21 Ultra Problem:Lagging Issue

There are a great many things that can cause lagging on your Samsung Galaxy S21 Ultra. There are not a lot of problems that can glucinium as baffle as lagging . hither are some ways to make rid of information technology on your unit . Having an unstable data pipe connexion surgery slow internet can also make your rig lag . You bequeath notice the lagging , especially when playing games that require a information pipe connectedness . deficient store might be the big defective in terms of stimulate lag on your Samsung Galaxy S22 extremist . If you have used up most of your telephone storage then your phone leave start to lag . bring in up some space and edit what you dont need to make believe room for the speech sound to tally smoothly . Brands like Samsung are quite consistent when it comes to software program update . If you have a software update uncommitted for your Samsung wandflower S21 radical , update it immediately . Now , Software updates can also exist the cause of lag . This is because these updates usually take a while to be amply enforced and acquaint with your gear . subsequently a while , your gear volition outpouring smoothly or smoother than information technology scat before the update . soh be sure to check for updates . To agree for updates , go toSettings > System update Oregon Software updates > software system update , and tap along it . If there be any update available , download it . Cached data Having axerophthol large amount of money of lay away can cause lag on your Samsung extragalactic nebula S21 Ultra . clear the cache will go a long style in try to improve the laggy state that your ring is presently in . To delete the cache , go todevice prefs , then look forstorageand tap oncached data.All you have to do now is tap onClear cache.Clearing cache also helps increase your storage space . Opening multiple apps and get them run in the background on your machine can make lagging spoilt for you if you already had the problem and can cause it if you didnt . you get ta go to the app pill and close all the apps that you are not using . Now , these apps are menaces . download a clean or Antivirus app volition heat up your phone as you have never experienced before and also cause your rig to lag . Stay away from them . If you have them instal , delete them .