image naming convention:
w7 = autonomous
w8 = lwapp

To downgrade LWAPP to autonomous
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1. plug a tftp server directly into AP
2. download latest c1140-k9w7.. rename to c1140-k9w7-tar.default
3. configure tftp server to 10.0.0.10/24
4. hold down mode button until red
5. AP will grab image and boot to autonomous

To upgrade autonomous to LWAPP
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Pre 12.2 code – use upgrade utility

Newer APS:

1. Download latest LWAPP image from cisco website
2. Put laptop running tftp and access point on same network
3. Run the command below

AP# archive download-sw /overwrite /reload tftp://10.222.0.74/c1140-k9w8-tar.152-2.JB.tar

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