Zebra PS20 Product Reference Guide

Application Deployment
128
4.
Touch OK. The device resets.
5. Press and hold the PTT button until the device vibrates. The System Recovery screen appears.
6. Press the Volume Up and Volume Down buttons to navigate to apply from sdcard.
7. Press the Power button.
8. Press the Volume Up and Volume Down buttons to navigate to Full OTA Package or Diff OTA
Package.
9. Press the Power button.
10. Press the Volume Up and Volume Down buttons to navigate to the System Update file.
11. Press the Power button. The System Update installs and then the device returns to the Recovery
screen.
12. Press the Power button to reboot the device.
Performing a System Update Using ADB
1. Connect the device to a host computer using the Rugged Charge/USB cable or by inserting the device
into the 1-Slot USB/Charge Only Cradle.
2. Go to Settings.
3. Touch System > Advanced > Developer options.
4. Slide the switch to the ON position.
5. Touch USB Debugging. A check appears in the check box. The Allow USB debugging? dialog box
appears.
6. Touch OK.
7. On the host computer, open a command prompt window and use the adb command:
adb devices
The following displays:
List of devices attached
XXXXXXXXXXXXXXX device
(where XXXXXXXXXXXXXXX is the device number).
If device number does not appear, ensure that ADB drivers are installed properly.
8. Type:
adb reboot recovery
9. Press Enter. The System Recovery screen appears.
10. Tap the touch panel to advance to the next menu choice and navigate to apply upgrade from adb.
If Apply downgrade from ADB is selected, an Enterprise Reset is performed on whatever upgrade or
downgrade package is provided.
11. Press the Power button.
12. Use the Volume Up and Volume Down buttons to navigate to Full OTA Package or Diff OTA Package.
13. Press the Power button.
MC18 Product Reference Guide.book Page 128 Tuesday, June 30, 2020 9:07 PM

Zebra PS20 Specifications

General

Operating system version	11
Operating system installed	Android
Operating system upgradeable	Yes
Number of cores	8
Processor model	660
Processor family	Snapdragon
Processor frequency	2.2 GHz
Processor manufacturer	Qualcomm
RFID reader	-
Scanner type	1D/2D
Certification	WFA
Product color	Light grey
Phone function	No
Display diagonal	4 \
Display resolution	- pixels
Speakers	Mono
Number of microphones	1
Flash memory	16 GB
Internal memory	4 GB
Battery capacity	3500 mAh
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	5 - 95 %
Electrostatic Discharge (ESD) protection (air)	15 kV
Electrostatic Discharge (ESD) protection (contact)	8 kV
Data network	Not supported
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version	5.0
Security algorithms	40-bit WEP, 104-bit WEP, EAP-GTC, EAP-TLS, EAP-TTLS, LEAP, MSCHAPv2, PEAP, TKIP, WPA, WPA-Enterprise, WPA2, WPA2-Enterprise
Quantity per pack	10 pc(s)
Harmonized System (HS) code	84713000

Weight and Dimensions

Depth	218 mm
Width	78.6 mm
Height	75 mm
Weight	290 g