Zebra TC21 Product Reference Guide

Application Deployment
178
3.
Touch Reboot.
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. Use the Volume Up and Volume Down buttons to navigate to Full OTA Package.
8. Press the Power button.
9. Use the Volume Up and Volume Down buttons to navigate to the Factory Reset file.
10. Press the Power button. The Factory Reset occurs and then the device returns to the Recovery screen.
11. Press the Power button to reboot the device.
Performing a Factory Reset Using ADB
To perform an Factory Reset using ADB:
1. Connect the device to a host computer using a USB-C cable.
2. Connect the device to a host computer using a USB-C cable or insert the device into the 1-Slot
USB/Ethernet Cradle.
3. Connect the cable or cradle to the host computer.
4. Go to Settings.
5. Touch System > Advanced > Developer options.
6. Slide the switch to the ON position.
7. Touch USB Debugging. A check appears in the check box. The Allow USB debugging? dialog box
appears.
8. Touch OK.
9. On the host computer, open a command prompt window and type:
adbdevices.
The following displays:
Listofdevicesattached
XXXXXXXXXXXXXXXdevice
(where XXXXXXXXXXXXXXX is the device number).
NOTE: If device number does not appear, ensure that ADB drivers are installed properly.
10. Type:
adbrebootrecovery
11. Press Enter. The System Recovery screen appears.
12. Press the Volume Up and Volume Down buttons to navigate to apply from adb.
13. Press the Power button.
14. Press the Volume Up and Volume Down buttons to navigate to Full OTA Package.
15. Press the Power button.

Zebra TC21 Specifications

General

Display diagonal	5 \
Touch technology	Multi-touch
Touchscreen type	Capacitive
Display resolution	1280 x 720 pixels
Battery capacity	3100 mAh
Battery life (max)	10 h
Battery recharge time (off)	4 h
Flash memory	32 GB
Internal memory	3 GB
Internal memory type	-
Compatible memory cards	MicroSD (TransFlash), MicroSDHC, MicroSDXC
Maximum memory card size	128 GB
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	EAP-PWD, EAP-PEAP, EAP-TLS, EAP-TTLS, LEAP, MSCHAPv2, WEP, WPA, WPA-AES, WPA-TKIP, WPA2, WPA2-AES, WPA2-TKIP
Rear camera resolution (numeric)	13 MP
USB 2.0 ports quantity	1
RFID reader	No
Scanner type	1D/2D
Certification	RoHS 2011/65/EU; 2015/863 REACH SVHC 1907/2006
Product color	Black
International Protection (IP) code	IP67
Speakers	Mono
Operating system version	10
Operating system installed	Android
Number of cores	8
Processor model	660
Processor family	Snapdragon
Processor frequency	1.8 GHz
Processor manufacturer	Qualcomm
Storage temperature (T-T)	-30 - 70 °C
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	5 - 95 %
Harmonized System (HS) code	84713000

Weight and Dimensions

Depth	13.7 mm
Width	79 mm
Height	158 mm
Weight	236 g