If the jackery app isn't in Amazon's store, you can "sideload" it manually using the tablet's Silk Browser.
Go to Settings > Security & Privacy > Apps from Unknown Sources.
Select Silk Browser and toggle it to On.
Open the Silk Browser and search for "Jackery APK" on a trusted site like APKMirror.
Download and install the file.
If the issue persists after these steps, please contact hello@jackery.com for further support.
Is there a way to get the app for a fire tablet, I do not have a cellphone ?
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