Several months ago I bought my Nexus 7 32GB, a great product that I worked very hard. However, in recent weeks I started to notice how the tablet has begun to suffer quite lag, what comes to difficult even use the tablet. Then I started researching the net and it seems that it is the only device, but HTC One X, the Nexus 4, the Galaxy Nexus, the Nexus S and others also suffer the same problems.
Apparently, many Android devices 4.0 and above have a problem with internal flash memory, which has increased especially in those at 4.2 or higher. The Android operating system does not communicate properly to flash memory controller which memory blocks are no longer in use, so this controller does not execute the order TRIM, responsible for clear and free memory blocks not in use.
The fact that these memory blocks are released, harms the read and write device, resulting in lag . Obviously, the less space we have in our system, “deeper” are the symptoms of this bug related to the order TRIM. Not having this bug, performance would always be the same regardless of free memory.
This bug can be clearly seen in the following screen, where, with the same remaining storage space, the read and write speeds vary. This is because in the second was successful the order TRIM, while the former does not.
This bug is known by Google and it is curious that most (if not all) of its Nexus devices are affected, as are often the most optimized and smoother. Hopefully it corrected with the next update and continue performing as these devices have been doing forever.
However till this update, there a possibility to solve this problem fairly. The first thing you have to do is get root access on your device. To do this, you can visit our “Root” or access the Web Ready2Root where you will find all the necessary information to complete this section.
After this, instaláis Brickbug eMMC application and open. Section BrickBug indicate if the eMMC chip is safe or not. If safe, you can continue the process, if it is or is not able to recognize it (as in the picture above), you run the risk of bricking your Android, so I do not recommend it.
Once
ye ye root access and found that your eMMC chip is safe, you have that application installed in your Android lagfix that order allow us to run the TRIM correctly and manually each time we notice that our Android start having lag . Just do not modifiquéis any parameters in the application, it may brickéis your Android if you know what you do.
Fix Lag
application can be found in a free version and another payment. The difference between the free and pay is that the latter has no ads and also to schedule the execution of the order TRIM every few minutes / hours, so you can forget completely and use lag our Android without worrying about manually execute the order.
Incidentally, once execute this application, not panic if it takes a while to complete, the process can take up to 10 minutes.
Following these simple steps, the lag will disappear from your Android. Now we have to hope that Google and manufacturers solve this bug and not have to resort to this sort of thing to avoid lag and degradation.
Requires Android 2.2 or higher
Version: 1.5.1
Size: 757K
INSTALL
PDTS
Requires Android 2.2 or higher
Version: 1.5.1
Size: 650k
INSTALL
Vinegar
Requires Android
2.3.3 or higher
Version: 1.4.4
Size: 300k
INSTALL
Source | XDA – Developers
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