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Old 10-23-2024, 12:08 AM   #61
hengyu
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Does anyone know the cutoff for how long the Kindle can be in airplane mode before this happens?

I was on airplane mode for like 3 weeks and when I disabled it to try to get the firmware update it just nuked all my books.
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Old 10-23-2024, 12:36 AM   #62
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Originally Posted by hengyu View Post
Does anyone know the cutoff for how long the Kindle can be in airplane mode before this happens?
No, no one knows for certain.
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Old 10-23-2024, 08:19 AM   #63
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You can download and "sideload" kindle firmware, but only later versions

Official link https://www.amazon.com/gp/help/custo...MQC26VQQMM8XSW
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Old 10-23-2024, 05:00 PM   #64
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Originally Posted by hengyu View Post
Does anyone know the cutoff for how long the Kindle can be in airplane mode before this happens?

I was on airplane mode for like 3 weeks and when I disabled it to try to get the firmware update it just nuked all my books.
My kindle has been in airplane mode for years. When I want firmware updates, I sideload them.
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Old 10-23-2024, 10:26 PM   #65
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Quote:
Originally Posted by hengyu View Post
Does anyone know the cutoff for how long the Kindle can be in airplane mode before this happens?

I was on airplane mode for like 3 weeks and when I disabled it to try to get the firmware update it just nuked all my books.
From experience, it seems to be somewhere between 1 and 2 weeks. As long as I go online once a week or so, my side-loaded content stays on the device.
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Old 10-23-2024, 10:37 PM   #66
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On a different thread, the suggestion was that the purge happens when the time on the device differs too much from the time on the Cloud server. That difference, which result from the inaccuracy of the on-board clock, differs from device to device.
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Old 10-24-2024, 12:47 AM   #67
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I checked that theory out and even when I deliberately set the time incorrectly on my PW4, enabled airplane mode and then set it aside for a couple of weeks, it did not wipe the files when I woke it and turned airplane mode off. When I had the time set properly and left it for 4 or 5 weeks (I actually forgot about it since it's mostly used when formatting ebooks for others). When I woke it and turned off airplane mode, most of my sideloaded books disappeared.
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Old 10-26-2024, 08:46 AM   #68
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My Kindle Paperwhite is online as long as I can remember (because of Kindle Unlimited) and no sideloaded books were ever deleted.
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Old 10-26-2024, 10:01 AM   #69
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Quote:
Originally Posted by thiago.eec View Post
My Kindle Paperwhite is online as long as I can remember (because of Kindle Unlimited) and no sideloaded books were ever deleted.
Your Kindle needs to be offline for a while if you want to see your books deleted.
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Old 10-26-2024, 10:06 AM   #70
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Your Kindle needs to be offline for a while if you want to see your books deleted.
That's it, then. It is always online.
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