IPC C10 include 4 products, IPC2701-P, IPC5701-P, IPC2601-P, IPC5601-P. If the version is V100R001C10, it needs to upgrade to version V100R001C11SPC100 because of the software bug. But it needs to upgrade it to version V100R001C10SPC200 first, then upgrade to version V100R001C11SPC100.
1. Download V100R001C10SPC200 upgrade software and guide. Upgrade on the WEB page.
2. When the upgrade is complete, go to the web page again and delete browse cache data.
3. Download V100R001C11SPC100 upgrade software and guide. Upgrade on the WEB page.
I've made a guide for IPC2701-P, you can refer to it. Please see the attachment.
We cannot upgrade directly from V100R001C10 to V100R001C11SPC100.
Our upgrade process is as follows, V100R001C10 -> V100R001C10SPC200 -> V100R001C11SPC100.