"Error: Not enough space on device"
Cisco 1530s have limited flash memory. If you have old crash logs or previous IOS images clogging the flash, you may need to manually delete old files using delete flash:[filename] before attempting the upload.
Tar Extraction Failure If the upload reaches 100% but fails to extract, verify the MD5 hash of the file you downloaded against the Cisco website. A corrupted download is the most common cause of extraction errors. Ap1g2-k9w7-tar.153-3.jf15.tar
The "Jointware" Trap
If your AP is currently in Lightweight mode (k9w8) and you are flashing this Autonomous image (k9w7), the AP will convert to Standalone mode. If you need to go back to a WLC environment later, you will need to perform the reverse process using a recovery image. "Error: Not enough space on device" Cisco 1530s
Since this is a .tar file, the upgrade process differs slightly from a standard .bin upgrade. You have two primary methods: A corrupted download is the most common cause
At first glance, the string resembles several technical naming patterns, but on closer inspection it fails to conform to any standard: