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Unable to re-update firmware

Adimurp

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Oct 12, 2021
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YEAHHHHH, thanks for the suggestion, works also for me and finally fixed this mess!!!

Just to summarize:
- delete the original Tello App from your phone
- download the 1.1.1 version (link here Download Tello 1.1.1 Android APK) straight on your mobile device
- install the App just by opening the downloaded APK file and then open the App
- download through the App the latest firmware
- with a full charged battery, turn on the Tello drone in "reset mode" (keep pressed the power-on button until green led stays on, then when the light turns off release the power button: now the led keeps blinking red and you can connect to the drone's wifi)
- connect the drone to the App and install the new firmware on it (now you will not receive the "less than 50% battery" error!!!!!!!)
- the drone is now correctly working again, so you can also delete the V1.1.1 App and install the latest one from the App store ;)

ENJOY
I’m probably text illiterate, but I’m trying to download these old app versions to my iPhone. When I do I get a blank white file in my downloads that, when I open it, just displays v1.1.1 or v1.4.0 on my screen but I can’t turn that into an app. Please help anyone!
 
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ajsamuels

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May 27, 2021
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Bristol UK
I’m probably text illiterate, but I’m trying to download these old app versions to my iPhone. When I do I get a blank white file in my downloads that, when I open it, just displays v1.1.1 or v1.4.0 on my screen but I can’t turn that into an app. Please help anyone!
It won’t work on an iPhone. You can only do it on an Android phone.
 

Dnajera

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Nov 20, 2021
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hi there, i had the same problem and i came up with the solution. The real problem is the app, to update te firmware you need to install the tello app v1.1.1 (you can find it online) and a charge battery.
Without the battery press and hold the power buttom and conect the charger, keep holdin the power buttom and insert the battery, when the green led turn off release the power buttom. It will turn a pulsing red light, connect the tello to your device and procede to install the firmware from the app.
this work for me and i hope works for you.
sorry about my inglish i´m from argentina
iPhone? :(
 

vobler

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Joined
Oct 29, 2019
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YEAHHHHH, thanks for the suggestion, works also for me and finally fixed this mess!!!

Just to summarize:
- delete the original Tello App from your phone
- download the 1.1.1 version (link here Download Tello 1.1.1 Android APK) straight on your mobile device
- install the App just by opening the downloaded APK file and then open the App
- download through the App the latest firmware
- with a full charged battery, turn on the Tello drone in "reset mode" (keep pressed the power-on button until green led stays on, then when the light turns off release the power button: now the led keeps blinking red and you can connect to the drone's wifi)
- connect the drone to the App and install the new firmware on it (now you will not receive the "less than 50% battery" error!!!!!!!)
- the drone is now correctly working again, so you can also delete the V1.1.1 App and install the latest one from the App store ;)

ENJOY
You are a lifesaver! Thank you! It works!
 

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