- yes, it looks like you have jailbroken your kindle properly
- it is not clear from your initial post what particular file you use to install launchpad.
Based on your device type you have to unpack the zip archive and use
the update_launchpad_0.0.1c_k3g_install.bin
- it is possible that the old binary update file above is not compatible with your modern jailbreak/OS version,
and this is the reason why you get U007 update error. Repacking the update binary
can help in this case. Please refer to jailbreak-related topics.
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