Nextion .TFT stuck at 66% while updating via sd

Other Hardware Displays
1

Hi everyone,
I'm trying to finish a school project that involves Arduino and a 2.8 nextion enhanced display.

The Arduino part is working good, but I hit a wall after the nextion Display refused to update the .TFT file.

I used multiple sd cards (1,2 and 8gb) formatted in fat32 with windows.
There is always only one TFT file on the SD card.
Nextion compiler doesn't report any issues.
For power supply I use the cable provided by nextion with the little USB micro adapter that they provided.

Small or blank files get uploaded without any issue.
My original file (which is 1.6mb in size), and a complete remake of it that I did in an act of desperation, get always stuck at 66% or 76%.

Does someone have any experience with this?
Thanks in advance

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I managed to solve my problem.
Here is the solution in case someone somewhere has the same problem:

Check your fonts and character encoding.
I tried to use an "LCD" type font to give some esthetics to the rtc clock I programmed. The display didn't like that idea and bricked itself everytime the font was getting uploaded (around 66 to 76%).

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