As fast as smartphones might be, the one part of them that is relatively slow is the internal data storage. Most smartphones still use the old eMMC type storage, considered one of the slowest. A few OEMs now use the faster UFS storage, which some companies have used as a bragging right. One such company is Huawei, who has been advertising the fast storage tech on its Huawei P10 and even Huawei Mate 9 flagships. That is, until it was caught actually using the older eMMC on some models.