Update Software In Huawei E5573cs-323 «Complete • HOW-TO»

This is the easiest method, but it requires the device to have an active internet connection via its SIM card.

When OTA fails, the manual method is the most reliable. You will need a Windows PC and a micro-USB cable. Update Software in HUAWEI E5573CS-323

: You can toggle on Auto-update to let the device handle future updates during idle periods (usually between 3:00 AM and 5:00 AM). Critical Tips for a Smooth Update This is the easiest method, but it requires

Remove the battery and look at the white sticker. A number like C983 or C576 will be printed. Match that number exactly. This is the easiest method