I’m not sure what you need. I’ll assume you want a concise guide for downloading and extracting a file named "Ap3g1-k9w7-tar.153-3.jf15.tar" and tips on a useful feature — I’ll:
Change standalone AP to light WLC AP remote? - Cisco Community
wget "https://example.com/Ap3g1-k9w7-tar.153-3.jf15.tar"
After the AP reboots, verify the new version is running by entering: show version Look for the line indicating Cisco IOS Software, ... Version 15.3(3)JF15 Important Safety Note:
Continue holding until the LED turns amber (usually 15–30 seconds), then release. The AP will search for a specific filename (e.g., ap3g1-k9w7-tar.default ) on a TFTP server at IP . Rename your file to match what the AP is looking for. 3. Autonomous vs. Lightweight : Autonomous (Standalone) mode. : Lightweight (Managed by WLC) mode. Conversion between these requires the archive download-sw command to swap the firmware type. Cisco Community If you'd like, I can help you find a TFTP server tool to use or provide the specific LED patterns for the 3500 series to confirm it's in recovery mode. CISC0 IOS for AP-3500 series - Cisco Community
ap3g1-k9w7-tar.153-3.jf15.tar the final official Autonomous (Standalone) IOS image for Cisco Aironet G1-series access points , such as the 3500 series
If your AP is currently in "Lightweight" mode (waiting for a controller), you can convert it to Autonomous mode using this file. 1. Preparation

I’m not sure what you need. I’ll assume you want a concise guide for downloading and extracting a file named "Ap3g1-k9w7-tar.153-3.jf15.tar" and tips on a useful feature — I’ll:
Change standalone AP to light WLC AP remote? - Cisco Community Ap3g1-k9w7-tar.153-3.jf15.tar Download -
wget "https://example.com/Ap3g1-k9w7-tar.153-3.jf15.tar"
After the AP reboots, verify the new version is running by entering: show version Look for the line indicating Cisco IOS Software, ... Version 15.3(3)JF15 Important Safety Note: I’m not sure what you need
Continue holding until the LED turns amber (usually 15–30 seconds), then release. The AP will search for a specific filename (e.g., ap3g1-k9w7-tar.default ) on a TFTP server at IP . Rename your file to match what the AP is looking for. 3. Autonomous vs. Lightweight : Autonomous (Standalone) mode. : Lightweight (Managed by WLC) mode. Conversion between these requires the archive download-sw command to swap the firmware type. Cisco Community If you'd like, I can help you find a TFTP server tool to use or provide the specific LED patterns for the 3500 series to confirm it's in recovery mode. CISC0 IOS for AP-3500 series - Cisco Community Setup : After the AP reboots, verify the
ap3g1-k9w7-tar.153-3.jf15.tar the final official Autonomous (Standalone) IOS image for Cisco Aironet G1-series access points , such as the 3500 series
If your AP is currently in "Lightweight" mode (waiting for a controller), you can convert it to Autonomous mode using this file. 1. Preparation