Sony Xperia XZ2 reportedly has SD card read/write speed limitations

While the big sharks of the smartphone industry are incorporating new technologies to enhance the user experience of their flagship phones, looks like Sony is going in the opposite direction, at least in some aspects. Case in point, the company has reportedly reduced SD card read/write speed in their latest flagship – Xperia XZ2/XZ2 Compact – phones, way lower than what they offed in their earlier phones like Xperia XZ1 series.

Slow transfer speed

Going by user reports on Sony’s official help forum, XDA and Reddit, the reduced transfer speed sticks around 18 mb/s, irrespective of the quality of micro SD card being used.

I’m using Sanddisk Ultra 64GB, They have claimed read speed up to 100MB/s.
But when i tested on Xperia XZ2 is limited at 18 MB/s. by using application “A1 SD Bench”.

For the other devices i’m quite sure is not limited at 18 MB/s at least 40 MB/s or more.

Only 18mb/s for my SanDisk Extreme PRO 64 Gb U3. It’s very slow… It was able to reach 80mb/s on my GS7.

One of the users also shared a couple of screenshots to show the difference in read speed when the same SD card was used with Xperia XZ2 (left image) and Xperia XZ1 (right image) .


Hardware limitation

What may add to the dissatisfaction of Xperia XZ2 buyers is Sony support is telling the complainants that the reduced SD card transfer speed is a ‘hardware limitation’.


Currently, the number of complaints are limited, which could be due to the fact that XZ2 is a new smartphone (it just launched last month, and is not even available in all regions). Sony is yet to come up with an official word on this – we’ve reached out to the company, and will update the story as and when we get a response.

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Dr. Aparajita Sharma

A budding entrepreneur by profession, and a psychologist by education. As a founding member of PiunikaWeb, I am nurturing this firstborn with my sharp-eyed expertise and even journalistic writing when needed.