Install stuck with uz801

### Rayhunter Version

v0.7.0

### Device

uz801

### Installer OS

Linux

### Describe the Issue

I got a uz801 LTE modem. I try rayhunter installer, and it seems to be broken.

```
./installer uz801
Activating USB debugging backdoor... ok
Waiting for device reboot and ADB connection... Failed to install rayhunter on the Uz801. Make sure your computer is connected to the hotspot using USB.

Caused by:
ADB connection error: Resource busy (os error 16)

```

Device id is good
`ID 05c6:90b6 Qualcomm, Inc. Android

Root script is working
```
adb shell
root@msm8916_32_512:/ # id
uid=0(root) gid=0(root) context=u:r:shell:s0
130|root@msm8916_32_512:/ # cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 0 (v7l)
BogoMIPS : 38.40
Features : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 0

processor : 1
model name : ARMv7 Processor rev 0 (v7l)
BogoMIPS : 38.40
Features : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 0

Hardware : Qualcomm Technologies, Inc MSM8916
Revision : 0000
Serial : 0000000000000000
Processor : ARMv7 Processor rev 0 (v7l)
```

`