Telpo TPS350 3g android touch screen nfc fingerprint sensor

Product Customization

l Our standard products can be branded according to your needs. The color tones, finishing, logo

silkscreen can all be customized to give the products in line with your company image and style.

Custom Design

l Our product design team can help you design your customized product with different form factors,

custom features and functionalities. From electronics, industrial design, artwork design, tooling and

packaging, our experienced electronic, mechanical and industrial design team can offer a tailor-made solution and deliver a unique product for your company.

Software Development Kit

l Our devices have the best coverage of different models running on different platforms. An easy-to-use SDK is available for integration into your own App. The SDK comes with an integration guide

and a sample project example. This is your best choice for a customized payment application.

Custom App

l Our application team can help you design your application on different platforms. Our expertise

on both app development and the payment industry can help us provide best service on the design

of payment applications.

Warranty

l We provide one year warranty for main device as well as 24 hours online service to help you

out.

Q1. I want to check the software version

l Turn on the device, it will show software version number on the screen during start-up.

Q2. The device can't be turned on

l Check the power adapter, or change another workable power adapter.

l Check the battery, or change another normal battery.

l Remove the battery, and only connect the power adapter. Or only use battery, and do not

connect power adapter to test it.

l Then check the Power Supply Circuit and switch on/off the circuit according the test result. If

the circuit has no problem, but it still can not turn on, please try to discharge.

Q3. SIM card can't be detected

l Check whether the SIM card is installed well.

l Install the SIM card again.

l Change another SIM card

l Scrape the surface of the metal spring in the SIM card slot with knife.

l Check whether all the weld point of the SIM card slot is welded well. If not, please weld it again.

l Replace the part of the SIM card slot.

Q4. No wireless signal

l Check whether it has GSM wireless signal in this place. If no or signal is very weak, try to test

the device in another place where has good GSM wireless signal. Otherwise, open the shell of the

device, and check if the antenna is connected well.