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Is it possible to recover the flight log if we lose the phone?
754 11 2020-10-21
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Zed_Br
Second Officer
Flight distance : 168727 ft
Brazil
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Hi there,

If I lose my phone or if the phone is demage, is it possible to recover the flight log from the drone? If so, how can we make this log recovery of the last flight?

Thanks,
Zed_Br

2020-10-21
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K6CCC
First Officer
Flight distance : 648031 ft
United States
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No.  There are flight logs in the drone, but they are encrypted, so only DJI can recover them.
2020-10-21
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Zed_Br
Second Officer
Flight distance : 168727 ft
Brazil
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K6CCC Posted at 10-21 20:20
No.  There are flight logs in the drone, but they are encrypted, so only DJI can recover them.

Thanks K6CCC.

What about DJI Fly App? If I connect another phone using the same account, will I be able to see my flights in my profile?
2020-10-21
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Labroides
Captain
Flight distance : 9991457 ft
Australia
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Zed_Br Posted at 10-21 20:42
Thanks K6CCC.

What about DJI Fly App? If I connect another phone using the same account, will I be able to see my flights in my profile?

You only have access to past flights either on the phone/tablet you flew with ... or
On a different device if you have synched those flights to DJI's servers

If the phone is too damaged to access files or you haven't synched the flight data, it's gone.


2020-10-21
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Zed_Br
Second Officer
Flight distance : 168727 ft
Brazil
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Labroides Posted at 10-21 21:03
You only have access to past flights either on the phone/tablet you flew with ... or
On a different device if you have synched those flights to DJI's servers

Thanks Labroides.
2020-10-22
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Electromen
lvl.4
Flight distance : 194390 ft
United States
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iPhones have backup to iCloud. It will backup the entire phone including all apps.  Sign in with a new phone and you're back to normal.
Do you backup?
2020-10-22
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DJI Gamora
Super Moderator

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Hello there Zed_Br. Thank you for reaching out regarding the inquiry with the Flight records on the DJI Fly App. Please be advised that if the flight records are not synced to our servers and the mobile device or tablet is broken or the application was uninstalled, I'm sorry to say that we don't have an option to retrieve it and the flight data on the drone is an encrypted file and we cannot move it on the DJI Fly app. What we recommend to our fellow users is to sync or enable the auto-sync function on the DJI Fly application. Thank you for your understanding and support.
2020-10-22
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Zed_Br
Second Officer
Flight distance : 168727 ft
Brazil
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Electromen Posted at 10-22 03:32
iPhones have backup to iCloud. It will backup the entire phone including all apps.  Sign in with a new phone and you're back to normal.
Do you backup?

It didn't happen. I just want to know if it happens someday.
2020-10-22
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Zed_Br
Second Officer
Flight distance : 168727 ft
Brazil
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DJI Gamora Posted at 10-22 03:42
Hello there Zed_Br. Thank you for reaching out regarding the inquiry with the Flight records on the DJI Fly App. Please be advised that if the flight records are not synced to our servers and the mobile device or tablet is broken or the application was uninstalled, I'm sorry to say that we don't have an option to retrieve it and the flight data on the drone is an encrypted file and we cannot move it on the DJI Fly app. What we recommend to our fellow users is to sync or enable the auto-sync function on the DJI Fly application. Thank you for your understanding and support.

Thanks DJI Gamora. I have already activated the sync.
2020-10-22
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Zbip57
Second Officer

Canada
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K6CCC Posted at 10-21 20:20
No.  There are flight logs in the drone, but they are encrypted, so only DJI can recover them.

It's not entirely true that only DJI can recover the Mavic Mini's onboard flight log.  


See this forum thread on how to access the "treasure trove of flight data".
mavicpilots.com/threads/logs-inside-the-sd-card-i-want-to-know.91756/
2020-10-22
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GaryDoug
Captain
Flight distance : 801312 ft
United States
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Zbip57 Posted at 10-22 15:15
It's not entirely true that only DJI can recover the Mavic Mini's onboard flight log.  

Thanks for the link. Wow, that thread has everything: conflict, animosity, comradery, honor, dishonor, not to mention some really good information.
2020-10-22
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Zbip57
Second Officer

Canada
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GaryDoug Posted at 10-22 18:46
Thanks for the link. Wow, that thread has everything: conflict, animosity, comradery, honor, dishonor, not to mention some really good information.

"that thread has everything"  


Doesn't it though?

It was interesting because there are some really, really, really smart people on that forum.  Several of those guys are experts at deciphering the flight log contents.  A couple of them are the go-to resource for predicting where to find lost drones.  Sadly the flight log on your control device ends recording once the drone goes out of range and the telemtry signal is lost.  But, based on battery time remaining, last known position before signal is lost, ground speed while drifting away, altitude and time it takes to descend from there once the battery is depleted, and several other factors and clever assumptions, these guys can estimate with surprising accuracy where the drone will eventually have come down to earth, often many kilometres away from the last known position.

They were convinced that the hidden files found on the Mini's microSD card couldn't possibly be an onboard recorded flight log, because DJI has never done it that way before.  DJI has typically used a separate inaccessible encrypted recording on another chip cemented inside the drone.  But, because the weight of the Mini is stripped down to a bare minimum, those log files are now instead recorded onto the removable microSD card, the same one on which your photos and videos are recorded.  Those log files are accessible, and they contain far more information than the log files transmitted via telemetry to your control device.  "a treasure trove of flight data" The experts are still working on figuring out what it all means...

2020-10-23
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