"Hey Rodrigo... 
GPS can be stubborn.

Crazy as it sounds, try moving the Solo away from ANY close objects or obstacles. Try different spots. And be patient, it may take a few minutes. 

I was once shooting outdoors in a big open sky, but found I was…"

"That's a terrific idea. Just something in an app that forces a continuous "chirp"... like "find my iPhone" does."

"I didn't know this! Thank you!"

"Awesome. Glad it helped."

"Okay... thank you! Is there anywhere else it can be found? Manuals? How-to videos?"

"I have no problem getting them. Only had a problem waiting for them!
Thanks for the video link... it will come in handy when the extenders arrive..."

"Steven...is it just me or shouldn't the on/off record function for the GoPro record been easier to find in instructions, video and even on the controller itself?

Or is this something so natural to aerial videographers it's almost silly to point it…"

"Ya.... that's how we felt about ordering the gimbal - a device that is critical to aerial videography. We go the 4Black as a backup in case out 3+black was damaged somehow during a super-critical flight for a client in Labrador City. 
Not an easy…"

"The Hero 3+ black and 4 black is what I own and both work with full firmware upgrades.

Sorry."

"BTW: I'm SCREAMING at 3DR about this. It is a glaring omission in their literature. And the tech support guy, as friendly as he was, seemed stunned I didn't know this."

"This may help you with your issues...or not. I guess we'll see.  (I posted this elsewhere)
HOW TO START & STOP RECORD OF GOPRO via A SMARTPHONE...REMOTELY!
Okay…maybe I’m the dumbest RC pilot alive. Perhaps so dumb I don’t even know how to tie my…"