"Missing Purpose String in Info.plist File" not actually missing - ios

Question

Attached is what I get from Apple after uploading to the App Store Connect, even though all of these are included in my info.plist. I have tried nearly 10 times to change the name of my string ranging from long strings (e.g. We get the bluetooth in order to connect with certain DJI models that require bluetooth to get telemetry and other data from the drone.) to short strings (e.g. We display the user's location on Mapview.)
All other questions I have seen claim the simple solution is to include the string, which I'm already doing! Does this have something to do with DJI's sdk? I would think just including this in MY info.plist would be enough. The main issue seems to be with the bluetooth permissions as another app I am trying to upload returns the same issue.
"Dear Developer,
We identified one or more issues with a recent delivery for your app,
"DJI Swift Demo". Please correct the following issues, then upload
again.
Missing Purpose String in Info.plist - Your app's code references one
or more APIs that access sensitive user data. The app's Info.plist
file should contain a NSBluetoothPeripheralUsageDescription key with a
user-facing purpose string explaining clearly and completely why your
app needs the data. Starting Spring 2019, all apps submitted to the
App Store that access user data will be required to include a purpose
string. If you're using external libraries or SDKs, they may reference
APIs that require a purpose string. While your app might not use these
APIs, a purpose string is still required. You can contact the
developer of the library or SDK and request they release a version of
their code that doesn't contain the APIs. Learn more
(https://developer.apple.com/documentation/uikit/core_app/protecting_the_user_s_privacy).
Though you are not required to fix the following issues, we wanted to
make you aware of them:
Missing Purpose String in Info.plist - Your app's code references one
or more APIs that access sensitive user data. The app's Info.plist
file should contain a NSLocationWhenInUseUsageDescription key with a
user-facing purpose string explaining clearly and completely why your
app needs the data. Starting Spring 2019, all apps submitted to the
App Store that access user data will be required to include a purpose
string. If you're using external libraries or SDKs, they may reference
APIs that require a purpose string. While your app might not use these
APIs, a purpose string is still required. You can contact the
developer of the library or SDK and request they release a version of
their code that doesn't contain the APIs. Learn more
(https://developer.apple.com/documentation/uikit/core_app/protecting_the_user_s_privacy)."

Answer 1

Instead of verifying the plist information in XCode, please look into the plist inside ipa.
Please follow the below steps to verify plist inside ipa.
Let say, your ipa file is Demo.ipa
Copy the Demo.ipa to DemoBkup.ipa
Rename it to DemoBkup.zip
Extract the zip file. (Double click the zip file)
The Extracted file will contain "Payload" folder.Get into Payload folder.
You will find the Demo package. Right click and tap "Show Package contents"
Search for your Info.plist.
Validate all the information you gave in XCode is present in this plist.

Answer 2

Change your info.plist keys with the keys Privacy - Bluetooth Peripheral Usage Description, Privacy - Location When In Use Usage Description. Check the given screenshot for reference:

Answer 3

Do check the plist file referenced by the scheme you are building. I think the plist file you are making change is not the same referenced by the scheme from what you are building the ipa file to submit to App Store.