iOS: Unable to mount an external APFS Encrypted drive

Originator:adrian.kashivskyy
Number:rdar://FB7646686 Date Originated:31 March 2020
Status:Open Resolved:No
Product:iOS & iPadOS Product Version:
Classification:Bug Reproducible:
 
How often does this happen?
It happens every time

When you see this issue, where are the files located that you are using?
A USB storage device or SD card

What is the make, model, and size (in storage) of the device(s)?
TOAHIBA DTB420 2TB

What kind of adapter are you using?
Direct USB-C connection

What filesystem is the device formatted with?
APFS Encrypted

Description

Please describe the issue and what steps we can take to reproduce it:
The Files app on my iPad Pro (2nd gen) doesn’t mount my external drive that’s using APFS Encrypted filesystem. I connected it using a direct USB-C to Micro USB cable. It powers up but doesn’t show up in the Files app. The drive mounts without problems on my Mac.

STEPS TO REPRODUCE

Connect an external APFS Encrypted drive directly to iPad Pro (2nd gen) and open the Files app.

EXTECTED RESULT

The Files app mounts and shows the drive.

ACTUAL RESULT

The drive doesn’t show up.

Comments


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