Zebra TC21 Product Reference Guide

Application Deployment
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9.
Enter a name for the certificate and in the Credential use drop-down, select VPN and apps or Wi-Fi.
10. Touch OK.
The certificate can now be used when connecting to a secure network. For security, the certificate is
deleted from the microSD card or internal memory.
Configuring Credential Storage Settings
1. Go to Settings.
2. Touch Security > Advanced > Encryption & credentials.
• Trusted credentials - Touch to display the trusted system and user credentials.
• User credentials - Touch to display user credentials.
• Install from storage - Touch to install a secure certificate from the internal storage.
• Clear credentials - Deletes all secure certificates and related credentials.
Development Tools
Android Application Development
Development Workstation
Android development tools are available at developer.android.com.
To start developing applications for the device, download Android Studio. Development can take place on
a Microsoft® Windows®, Mac® OS X®, or Linux® operating system.
Applications are written in the Java language, but compiled and executed in the Dalvik virtual machine.
Once the Java code is compiled cleanly, the developer tools make sure the application is packaged
properly, including the AndroidManifest.xml file.
Android Studio contains a full featured IDE as well as SDK components required to develop Android
applications.
Enabling Developer Options
The Developer options screen sets development related settings. By default, the Developer Options are
hidden.
1. Go to Settings.
2. Touch About phone.
3. Scroll down to Build number.
4. Tap Build number seven times. The message You are now a developer! appears.
5. Touch the Back button.
6. Touch System > Advanced > Developer options.
7. Slide the USB debugging switch to the ON position.

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