求翻译：v3.5: If the 6.20 updater MD5 check fails, it will check if the update file is 6.35, allowing non 07g/09g to downgrade to 6.35, added source, removed a few debug printf's （允许07g/09g主板降级6.35）是什么意思？

V3.5:If the 6.20 Updater MD5 check fails, it will check if the update file is 6.35, allowing non 07g/09g to downgrade to 6.35, added source, removed a few debug printf's (allow 07g/09g Board degraded 6.35)