Even with perfect steps, things go wrong. Here are the most frequent issues with updates.
The is an aging platform. It lacks:
Do not download firmware from third-party forums unless you are 100% sure it matches your hardware revision (e.g., I-240W-A vs I-240W-B vs I-240G-A). A failed upgrade will turn the device into a brick, requiring a serial console (JTAG) recovery. firmware modem alcatel lucent i-240w-a