Actually, the write cycle of such SD card with good quality is about 600 to 800 times while the one with poor quality is just 100 to 200.

The theoretical write cycle is 1000 times. Take a 16GB SD card with TLC flash memory as an example. SD Card Lifespan (Days) = Erase cycles * SD card capacity (GB) * 90% / Used Capacity everyday (GB) Actually, users can make it with the following formula with the amount of data you saved when using the SD card. Most low-end SD card will not equipped with S.M.A.R.T (Self-Monitoring Analysis and Reporting Technology), which means users are hard to master the lifespan and the usage information of the SD card via monitor. ◆ How to Estimate the Lifespan of the SD Card

If the SD card still cannot be read or damaged, your SD card may get physical damaged and you should get a new card. Besides, you can also insert the SD card to another smart phone to test whether it is the problem of the SD card slot. If we encounter such situation, please take off the SD card and then clean the contactor of the SD card with eraser. So, data will keep written to the same blocks which may shorten its lifespan and lead to files system damaged.īesides the above reason, SD card failure could be also caused by the poor connection. As a result, SD card will fail to work when the software trying to read data from it.Īnother possible reason is that the SD card does not adopt Wear Leveling technology. However, some faulty software may lead to the file system failure. Some software will create cache in the SD card.

SD card get damaged or is required to format could be caused by the improper ejection of the SD card when reading data or SD card is attacked by virus or malware.

Sd card photo recovery android