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There’re two major forms of flash memory: NAND Flash and NOR flash. NOR flash is mainly used for code storage and direct execution in portable electronics devices, such as BIOS storage for PCs, cell phones, PDAs and networking device memory while NAND Flash is primarily used for high-density data storage medium for consumer devices such as digital cameras, USB solid-state disk drives, industrial storage, MP3 players, cell phones and set-top boxes. New cell phone controllers that support NAND Flash as an alternative to or an addition to NOR Flash have helped make NAND a viable alternative for a broader array of applications.

NAND Flash and NOR Flash Overview

NAND Flash and NOR Flash Overview

NAND Flash has become an attractive alternative for the data storage aspects of today’s cell phones because of its higher speed write and erase performance as well as its low cost-per-bit. As a result, designers of memory subsystems in portable electronics are now using NAND in some traditional NOR-based applications. In addition,  NAND Flash memory is less expensive than NOR Flash memory and it is ideal for data storage. Therefore, data recovery from NAND flash memories is becoming more and more popular and many data recovery companies are equiping themselves with different kind of NAND flash data recovery tools and solutions such as the NAND chip readers, NAND chip raw data recovery, etc.

NAND flash data recovery services usually include data recovery from SD, CF cards, MMC, cameras, MP3, MP4,  SSD and other USB flash drives. NAND data recovery or NAND flash recovery is the process of reconstructing data from data dumps from multiple sets of NAND wafers and unscrambling complex algorithms. Then, taking the numerous unscrambled files and assembling them into one single disk image; recovering end-users files to their absolute original state. NAND recovery is a breakthrough in data recovery solutions and file recovery.

There are many factors causing data loss in NAND flash devices such as use of unbranded USB drives, SD cards, USB sticks, Compact Flash cards, and any other devices for storing your crucial data or you use some cheap flawed memory.  Once there is damage in the component of the flash devices, the OS will not recognize the device and the data is not accessible. It’s not easy to perform a NAND flash data recovery because you need to own one professional NAND flash data recovery equipment and you must know how to remove the chips off the device and understand how to use the recovery equipment to analyse the data algorithm and finally recover the data.

Related article: Data Recovery From BGA Chips & TSOP Chips

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