小孩哥，你没上过高中不是在逗我吧？对CubeNN我不敢评价，不过你能手搓Metal GPU kernel和对块稀疏的理解让我惊叹！

Try to fill up the phone's storage space and reserve 1G-2GB. Try a few more times and you will reproduce this problem. Unfortunately, it is not possible to capture this error and handle it in advance.

Error code 3305 mean disk full,I meet the same error with enough storage space. may be can not save big video to photos?