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Assuming your lag is not caused by resource hogging malware (detection and removal covered in malware tag), possible causes (discounting infamous touchwiz :), could be CPU loading Disk I/O Network I/O RAM ( ignoring this going further given 3 GB RAM of your device ) Two apps would greatly help you in identifying the culprit system / downloaded apps ...


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Unforgettableid's comment included an AnandTech article that describes the conditions under which fstrim is supposed to run: I’ve learned a bit more on the conditions underlying when Android 4.3 will TRIM filesystems, as it wasn’t completely clear before. The Android framework will send out a “start idle maintenance window” event that the MountService ...


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If your situation is improved by Don't keep activities, this is a strong indication that you are running poorly developed applications. The whole point of preserving applications in the background is to make full use of memory and reduce latency. If this increases latency, this means your applications are trying to do a lot of work in the background. I ...


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I also had a problem with lag on the nexus 5x. The problem was the protection case. It seems the phone gets warm very quick while using a protection case and this causes the A57 cores to turn off. Using the phone without a case solved the problem. The phone now runs very smooth.


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The article referenced in @mattm's answer is a bit outdated. IdleMaintenanceService was removed in Lollipop, things have changed. On Pie, scheduled fstrim is triggered from StorageManagerService (1) to MountService (2): if the device is alive at midnight + idle, fstrim gets run at the next available charging + idle time * (3) Mount service calls ...


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Answer by mattm indicates conditions under which, fstrim should run. I am not aware if the behaviour has changed in subsequent Android versions, but I came across an app that does fstrim on demand as also on reboot . Root needed. Sharing this information as it may be useful to those who are not Linux savvy ( like me :) SSD Boost Android 4.3+ supports ...


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Android supports fstrim but it only works if the phone is idle for a long time while charging It's not so. On newer versions, Android runs fstrim with a daily schedule, provided that the conditions meet. Or it should run on a reboot if not run for 3+ days. See this answer for details and how you can run fstrim manually. FRAGMENTATION ON FLASH MEMORY: I ...


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AFAIK, only apps running as root (UID 0) (1) or system (UID 1000) (2) or with android.permission.MOUNT_UNMOUNT_FILESYSTEMS (3) can do fstrim. But third party apps can neither get UID 0/1000 (without rooting phone), nor the said permission is for third party apps (4). Also manually sending FITRIM ioctl with fstrim command requires at least capability ...


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Here is the link how this app works you might not understand the language its English title is LagFix Trimmer to cure the machine without root | Easy Android Click here


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Here is what I just tried to do and it seems to have worked for now. Be careful when doing this as this may lead to the loss of data. Installed the app "X-plore". Thanks to the developers of this app - a really great tool! The feature to serve the phone's files over HTTP to the desktop PC is a brilliant idea. It shows most of the system memory contents. I ...


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Exactly this happened to me today, at morning I was watching videos, then I use the mobile again, and i cant even load youtube! Ill try deactivating some apps as phaethon said. Deactivating some apps and uninstalling some helped, but mobile is still very slow :/ So I decided to factory reset my phone and everything is like normal, I have no clue what was ...


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My lag and freezes, too, have improved drastically with the Android 7 update. Bit strange that it took over a year to make my Nexus 5X actualily fun to use, but better late than never I guess. However, I still think it's a hardware problem with some of the Nexus 5Xs, and better resource management in Nougat has sort of made the problem less palpable. But I ...


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Though I haven't used anything above lollipop (or Lemon Meringue Pie as someone may call it), there are some strategies for lagging on systems, which you can have a try. The first is to install a toucher pro (sorry I don't have the links now), and use the clear memory utility inside it. It comes handy when you are working, but it might clear out some ...


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