Generally, yes. The security patches for SD card corruption are worth it. However, if your unit is a "clone" or "fake" LDW931 (common on eBay), the new official firmware will brick it. Check your serial number on the official website first.
: An AliExpress Wiki article provides a "solid" real-world benchmark, confirming the device stays stable with up to 10 users and maintains a lower operating temperature (below 35∘C35 raised to the composed with power cap C ) compared to standard phone hotspots. ldw931 firmware update new
: Ensure the firmware version matches your specific hardware revision (e.g., LDW931-3) to avoid permanent hardware failure. Generally, yes