Having problems uploading files to your phone? Need information for writing your own upload utility? I hope that these answers will lead you down the right track. If you have additional information, I would love to hear it -- email me about it (link at bottom of page).

Just so you know, I include questions about uploading files in general to mobilet phones – not just questions that are related directly to the uploader. That way, other people can write programs and set up web sites to give data to any mobile phone easier.

Topics

High-Priority Topics

Problems with specific phones and carriers

Initial Concerns / Background Info

What is this uploader site thing?

Does this work with non-Sprint phones?

What do I need for the uploader to work?

How do I use the uploader?

What does my phone support? What phones work with the uploader?

Will the image be shrunk to fit my phone?

What if my screen size doesn't match what you show on the jump page?

Can I skip the SMS process and just bookmark you?

What are jump codes?

What do you do with my phone number / email?

File Conversion and Modification

How do I create / upload MP3 files?

How do I create / upload M4A files?

How do I make a QCP file (voice ringer for Sprint phones)?

How can I make ringers louder?

How do I create a MIDI file?

Uploading Problems

What types of files can I upload?

The file is in the wrong folder. How can I fix this?

I just uploaded a file and now I can't find it.

This midlet (game / program) doesn't work! Why not?

I don't have a .jar file – I only have a .jad file.

My animated GIF doesn't work on my phone.

Why does my phone say it cannot guarantee the authenticity of the file I am downloading?

The size of the file I downloaded is not the same size as the file I uploaded.

Uploading isn't working! What do I do?

Phone Error Codes

What is "Data Error 406 / Content Not Acceptable"?

What is "Data Error 901 / Content Size Too Large"?

What is "Data Error 904 / Size Mismatched"?

What is "Data Error 905 / Attribute Mismatch"?

What is "Data Error 906 / Invalid Descriptor"?

What is "Data Error 907 / Server Error"?

What is "Data Error 984 / Size Mismatched"?

What is "No Exact URL"?

Developer Questions

Can I see / download your code?

Can I be notified of updates?

What are MIME types? Which ones do I use?

What are GCD files?

Does Sprint cache files?

What other issues are there?