Troubleshooting

Problem	Solution
Does not boot / white screen / black screen	Check Won't boot and Config Menu.
Crash / Guru Meditation.	Try Full reset. If still does not work, try Updating the Xilinx CPLD on hackrf board. If nothing works, report an issue on GitHub.
Freeze when launch specific app (but no crash or Guru Meditation)	It's mostly from power part. Try: -Full charge -Change battery -Plug into a reliable power source -Change battery -Change at least 5 cables
No splash screen / No time & date / Touchscreen does not work / Status bar icon disappeared / Backlight timeout abnormal / Encoder dial abnormal	Check settings.
It says xxx missing / can't find xxx / xxx read error / xxx is outdated / xxx empty or you can't see xxx.	Make sure sdcard contents matches your firmware version.
Apps are missing or greyed out after upgrading.	Make sure sdcard contents matches your firmware version, particularly the external APPS folder, and make sure you correctly put the sdcard contents.
Unexpected spike on my waterfall / IQ / spectrum.	It's either a DC offset or noise from power. For reducing the noise, try using the internal battery. For DC offset, there's nothing you can do, however it’s normal on SDR.
My computer can't see my HackRF	Try at least 5 different cables. If you are on Windows, try to install drivers in release package. Also try your luck with Zadig. If not working, try on a Linux machine (exclude Ubuntu)
My sound board app can't see the files i putted in, but my fileman app can	folow Soundboard to make correct file
Screen went black when transmit / replay	Check Stealth Mode
Fail / freeze when recording	Make sure your sdcard is FAT32 format, and make sure it’s a branded one with acceptable quality
My GPS-Simulation Doesn't work. / My bluetooth doesn't work.	Most modern devices use cellular to verify GPS. Make sure your devicce is vuln to gps-sim. Go to Settings - Radio, and make sure the "Reference Source" says "External". If not, then check the last checkbox and see if it's getting better.
Charging is very slow	Check the following things: - Try at least 5 cables. - Use a good adapter, for example a 5V1A branded adapter - Don't use computer or laptop or similar thing to charge.
How to turn on/off	One of these may turn on and another may turn off: - Single press the knob - Double press the knob - Long press the knob - Plug in USB cable - Unplug USB cable
Replay app show empty list	You didn't press correct button. Check wiki
Issues related to sdcard	- use BRANDED sdcard from reliable seller. - Use FAT32 format - correctly put sdcard content which matches your firmware versions
DFU suffix CRC doesn’t match / Cannot open DFU device	If you are on Windows, try to install drivers in release package. Also try your luck with Zadig. If not working, try on a Linux machine (exclude Ubuntu)
Something else	Check more Troubleshooting topics on the sidebar