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Issues with SD Card Readers
Finally, our team is still hard at work testing concerns around the microSD card reader. First things first: if your Ally’s microSD card reader is failing to read any microSD cards, or you believe there is a malfunction with the reader, please RMA your device by heading to  (US) or  (UK).
We take user reports very seriously, but we would like to collect more data, because at this moment all of our test devices are performing within specifications. So if you do RMA your device, be as specific as possible about the conditions that led to the problem, including what operating mode you were in, what model microSD card was in use, and what the microSD card was doing at the time. We will use this data in further testing as we try to identify whether there is an issue and what it is.
As our first precaution, we will be releasing an update that boosts the device’s fan speeds, since good cooling alleviates the types of component stress that can sometimes cause issues. In the meantime, you can create your own manual fan curve in Armoury Crate SE.