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Does LagFix Really Make Rooted Android Devices Faster?

Sections: Software / Applications

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There’s a new app in Google Play called LagFix that claims to remove lag from rooted devices. If this concept sounds familiar to you, it’s probably because an app called Seeder claimed to do the same thing. However, my experience with Seeder had less than favorable results. It’s the opinion of some users on the XDA forums that Seeder had more of a placebo effect than anything. Yesterday, I gave LagFix a try on my Nexus 7 to see if it could solve some of the lag problems I’ve been noticing on the tablet. The results were surprising. 

Like most people, I don’t understand the technical operations LagFix performs to eliminate lag. According to the app’s Google Play description, HTC One and Nexus devices are commonly affected by “a well-known TRIM bug.”

Here’s how the app works according to the developer.

“LagFix is a user-friendly implementation of fstrim utility. It allows you to select which partitions to trim (you should leave defaults unless you know what you are doing) and run the process easily.”

That’s all well and good, but does it work? When I started the app, I kept all the default selections and tapped the “run” button. A second later, the app did whatever it needed to do. On the developer’s recommendation, I rebooted my device and started tapping around. To my surprise, I did notice a difference in the start-up time for some applications. I wouldn’t say my Nexus 7 is lag-free, but my first impression is that LagFix has done something to make the tablet faster.

To be fair, I have to use the Nexus 7 for at least a full day just to make sure the improvements I think I see aren’t just the result of me rebooting the tablet.

Google Play Link [LagFix]

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