I have j2 2018 model .very slow processing and difficult to use app some time screen become black. So i request to samsung authority to provide os update for j2 2018.
Please perform the below mentioned steps to resolve the issue:
1. Check space availability: Settings > Device Care > Storage Request you to keep at least ''minimum 20% internal memory free''
2. Check space availability: Settings > Device care > Memory To improve the performance RAM of the device should be free. So, clear the RAM memory once in a day.
3. Check app cache a. Clear app cache through Device care : Settings > Device care > Storage > CLEAN NOW b. Clear cache memory of a particular application : Setting > Apps > Now pick the app. For example 'Samsung Internet' > Storage > Clear Cache.
4. Remove third party application : Settings > Apps > Select the third-party application from Apps. Eg. DU Recorder >Uninstall.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > click on “+“icon > send feedback > error report/ask questions).
