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Radio not binding st16 and h520

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Hello Guys, I'm from Brazil, and I have an H520 drone that it doesn't activate the WiFi system, no matter how much I get into the settings, and it activates it keeps trying to turn on but no network appears. I tried to make the manual connection, without the camera, but the drone flashes the yellow lights, then I click on the radio to make the bind... it flashes the normal lights again... but in control does not appear the battery of the drone And I can't do anything, not start the engines, not see GPS.
 

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That narrows if down quite a bit. The most common cause is the "5.8" WIFI module is not working. That happens a lot if someone turned on the controller without the antennas connected and properly tightened.
But there are some things you can check before ordering a new Module:
1.) Check the mushroom shaped antenna to ensure it is screwed on correctly.
2.) Check the antenna wire connector on the module.
3.) Check the module connectors to ensure they are clean and correctly inserted. See the image below.

Note the term "5.8" is commonly used, but this module also serves the 2.4 Ghz connection to your home WIFI. You can check the WIFI in Pad/settings/WiFi to see if any 5.8 or 2.4 Ghz signals are showing up. Not real conclusive, but if nothing is there, it's a pretty good hint the module is dead.

If the module needs replacing, I would recommend this one from @Yuneec Skins:

View attachment 25679
Would this work with the ST16S? this one from the photo
 

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Would this work with the ST16S? this one from the photo
Your description sounds more like a problem with the 2.4 ghz control WiFi.
.......I tried to make the manual connection, without the camera, but the drone flashes the yellow lights, then I click on the radio to make the bind... it flashes the normal lights again... but in control does not appear the battery of the drone And I can't do anything, not start the engines, not see GPS.
Most of this behavior is normal for binding without camera. The lights returning to normal indicate the bind was successful. The lack of telemetry, including drone battery and drone GPS, is normal because the drone telemetry is normally transmitted via the camera. The controller GPS should be available.
What is the status of the two rear motor LEDs?
If the rear motor LED are still flashing, GPS is not yet acquired. When GPS is acquired the two rear LEDs will go solid and you should get a short "bump" run of the motors when you press and hold the red button.
 
There is a WiFi module laying on the desk beside the controller in the picture. Is there one in the controller?
I had this same issue recently, I put a Wi-Fi module from a st16 into the st16s and it now works, u will also need to add some termal paste , some of the Wi-Fi modules on the st16 have a heat shield and some don’t, u can remove the one from ur st16s Wi-Fi module and attach them to ur st16 module. Add Termal paste above the chip and then above the heat shield. I just used the 1 for the st16 because I couldn’t find the one for the st16s available anywhere online. I’ve since been talking to a guy from Germany who has boxes of the st16s module that u might be able to get one . I made a video of the issue, if I can find it I’ll upload it
 

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Hello Guys, I'm from Brazil, and I have an H520 drone that it doesn't activate the WiFi system, no matter how much I get into the settings, and it activates it keeps trying to turn on but no network appears. I tried to make the manual connection, without the camera, but the drone flashes the yellow lights, then I click on the radio to make the bind... it flashes the normal lights again... but in control does not appear the battery of the drone And I can't do anything, not start the engines, not see GPS.
Any luck getting ur st16s working again?
 

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