So here another cIOS release. Updates are a good thing, aren't they? The changelog seems the same though.

http://softmii.org/waninkoko/cIOS38_rev13b-Installer.zip
mirror http://www.mediafire.com/file/quzwmyicdjt/cIOS38_rev13b-Installer.zip

[ CIOS38 rev 13 ]:

- Read speed improved.
- EHCI module improved.
- SDHC module improved.
- DIP plugin improved.
- ES plugin updated.
- Implemented new system anti error 002.

EDIT: Here is what Waninkoko posted at his blog about v13b

Bugfix version of the rev13. Correct the problem it had with some games, which gave 002 error at startup.