Please tell us some basic information before asking for help:
Model Name: ZenFone 5Q (X017DA, ZC600KL)
Firmware Version: WW_16.0610.2002.94
Rooted or not: not
Frequency of Occurrence: n/a
APP Name & APP Version (If your issue relates to the app): n/a
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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What is the largest SD card I can use with this phone?
Thanks