Transfer speed is low. about ifuse HOT 8 OPEN

Same here (1,2MB/s), Slackware-14.2 (32bit) with custom kernel and git libimobiledevice. iPhone-6 iOS-11.2.6. Maybe the iOS has throttling*?

Phone kind-of unresponsive while copying the file.

• battery is drop dead, wear at 40% of original capacity.

from ifuse.

Same problem (2 MB/s), iOS 11.

from ifuse.

Addition to my comment: new battery same speed.

from ifuse.

Ubuntu 20.04 64bit to iPad mini 2 IOS 12.4
Also slow speeds 1,2MB/s. USB1.1 speeds or not seeing full speeds of USB2.0+.

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Same on Ubuntu 20.04 with ifuse v1.1.4~git20181007.3b00243-1, iOS v14.6 on iPhone X

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I get much higher transfer speeds.

So in the test performed below a file of 802.9 MiB is copied in 45 seconds (so 17.8 MB/sec)

iphone@nuc1:/mnt/iphone/DCIM/112APPLE$ time cp IMG_2556.MOV /share/test

real    0m45.163s
user    0m0.017s
sys     0m3.468s
iphone@nuc1:/mnt/iphone/DCIM/112APPLE$ time sinc
bash: sinc: command not found

real    0m0.003s
user    0m0.001s
sys     0m0.001s
iphone@nuc1:/mnt/iphone/DCIM/112APPLE$ ls -l IMG_2556.MOV
-rw-r--r-- 1 iphone iphone 841891136 Nov  6  2021 IMG_2556.MOV
iphone@nuc1:/mnt/iphone/DCIM/112APPLE$ 

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Here as well, latest Fedora. I copied 100GB to the vlc folder on an ipod touch with rsync and at 1.0MB/s it took something like 30 hours!

I did confirm that the device was connected over USB2 (480Mb/60MB) but other than that not much to do.

Related to the comment above I do remember photos and videos coming off the device faster. Probably related to read vs. write speeds. Yes write is slower, but still shouldn't be this slow. Write feels like USB 1.0 speed.

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I was running into slowness in MacOS and the root cause was MACFuse. I'd rule out fuse before digging elsewhere.
On MacOS I ended up switching to Fuse-T and and adding -o rwsize=262144 to my ifuse command. This got me up to 20mb/s (in my situation)

EDIT: this appeared to be working, but noticed file corruption was an issue. do not rec

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