1. Update the firmware of your smart phone: Updated firmware in many cases eliminates some lag problems. 'Update' means adding some new features than before. And , with the help of firmware updates, more or less the capability of each device besides the smartphone is increased. Many times you may not notice that change, but it is important to update the firmware of the smartphone to get rid of many such errors. 2. 'Reset' your Android phone: We all know that 'reset' means 'restore' or 'renew' , and in the case of smartphones the 'reset' option works just like that. Do you remember that when you bought your smartphone your operating system was very smooth ? However , over time, due to the accumulation of various files in your Android smartphone, that smartphone has become lazy. In this case, if you do a 'factory reset' of your smart phone, then all the files from the smart phone will be deleted and it will be as smooth as the day you first bought it. By all files I mean the files that were submitted for your use. But since it does not delete system files, you will get a very smooth smartphone after resetting. Warning: 'Factory reset' will delete all the contacts , short burdens , calendar entries , memos and applications that you used in your internal storage of your smart phone . So , before resetting, you must back up all the necessary information. However , the use of Google Accounts also syncs short messages in some cases, including contacts and calendar entries. 3. Check your phone's internal storage from time to time: You may feel lag on the smart phone when the amount of memory is reduced. Because of this , you can sometimes find games , applications , Transfer media files such as songs , videos , etc. to external storage or memory card. However , most low-end smartphones have a small amount of internal storage, so these tips may not work on those smartphones. 4. Use the necessary applications: You can install and use some necessary applications like Task Killer from Google Play Store. ক্ষেত্রে For older smart phones you can use the ' auto task killer' application. This will help to free up the RAM of the smart phone by killing the process of some of the applications you have scheduled from time to time. Normally , having more RAM free means that the smart phone will operate faster. পারেন Can use a good quality antivirus application. Smartphones, like computers, are vulnerable to a variety of viruses and malware, and a good antivirus will detect these viruses and malware and then remove them to make your smartphone more mobile. You can use some applications like ' start up manager' . This application allows you to determine when your phone will boot or restart, which applications will be active and which will be inactive. ● ' Juice defender' type applications will support your phone and your phone's battery without allowing other applications to start automatically in the background. ● ' cache cleaner' applications will smooth the smartphone by deleting various cache files stored in the memory of the mobile. ' Apps to SD card' application is a necessary application. This will allow you to transfer the applications installed in the internal storage of your smart phone to the external memory card of your phone and this will make the internal storage free , at least some of the smart phone will work faster. However , keep in mind that it is not possible to transfer all types of applications to the memory card with the help of this application , you need to 'root' your phone to transfer some applications. ● Applications like ' Spare parts' will allow you to access some advanced level configuration panels , such as - Transition Animation Control. 5. Eliminate Unnecessary Applications: We visit the Play Store at different times