A. To improve performance, try closing any unnecessary background applications on your iPhone. This can free up system resources and allow iSH Shell to run more smoothly. Additionally, consider reducing the number of running processes within iSH Shell itself by limiting the number of open terminal sessions or background tasks.

B. You can also try optimizing your shell environment by minimizing the use of resource-intensive commands or scripts. For example, avoid running heavy applications or processes that require significant CPU or memory resources.