SURFTAB TWIN 10.1 (2019)

Quick Guide

Geeignet für: Surftab twin 10.1 (2019)
Version: V1-20
Date: 2019-12-11
File type: PDF
Language: Deutsch, English, Nederlands, Italiano, Español, Français

Operating instructions

Geeignet für: Surftab twin 10.1
Version: V1-20
Date: 2019-12-11
File type: PDF
Language: Deutsch, English

Which options do I have to install downloaded applications from my SURFTAB TWIN 10.1 (2019) on an external medium (memory card, USB stick etc.)?  

No, this is not possible. You can install apps only on the SURFTAB TWIN 10.1 (2019).

How do I access external storage devices (USB stick, SD card) on my SURFTAB TWIN 10.1 (2019)?  

When you connect an external storage device, the SURFTAB TWIN 10.1 (2019) displays a message to the effect that a device has been connected. Once this message is no longer visible, you can use a file explorer app (such as ‘ES File Explorer’ or ‘FileBrowser’ etc., available from the Google Play Store) to access and manage your data (copy, delete, edit).

How can I upgrade my SURFTAB TWIN 10.1 (2019) to a newer version of Android™?  

If a firmware upgrade is available for your SURFTAB TWIN 10.1 (2019), you can download it on our homepage under ‘Downloads’. A firmware upgrade may also be downloaded directly to your device via OTA, depending on your device.

Tip: Do not install any firmware on your device unless it is provided by us. Installing external firmware or custom ROMs may result in a loss of all warranty claims!

How do I add more storage space to my SURFTAB TWIN 10.1 (2019)?  

Your SURFTAB TWIN 10.1 (2019) has a memory card slot. Insert a card in order to add internal storage to it. Please consult the technical details of your device to learn which cards are compatible with it (in the technical data on the website (most up to date) or in the detailed operating instructions). These cards can be purchased in any electronics store.

Please note that it is not possible to guarantee 100 per cent compatibility of microSD cards (see “Why doesn’t my device recognise my microSD memory card?”).

How do I connect my SURFTAB TWIN 10.1 (2019) to a Wi-Fi network? (Android™ 5.1 / 5.1.1)  

a) Select "Settings" from the applications menu or the quick menu. This is where you will find the "Wi-Fi" item. Tap "Wi-Fi".
b) Slide the on/off switch from left to right.
c) All available wireless networks will be displayed in the following window.
d) Tap the network that you would like to connect to. An input window appears. Enter the network key ("Password") for the wireless network you have selected and tap "Connect".
e) Your Surftab will connect to the Internet via the wireless network you have selected. You can now surf the Internet using a browser app.

-> Once you have established a connection to a WiFi network, your SURFTAB TWIN 10.1 (2019) will automatically connect to it as soon as it is within reach. It is not necessary to re-enter the network key.

-> To save power, it is advisable to turn off the WiFi function when it is not in use.

How do I download apps using Google Play on my SURFTAB TWIN 10.1 (2019)?  

You must sign in using a Gmail account to use the Google Play Store on your SURFTAB TWIN 10.1 (2019). You can sign in to your account when you open the Play Store app for the first time. If you do not yet have a Gmail account, you can set one up now.

How do I reset my SURFTAB TWIN 10.1 (2019) to factory settings?  

a) Open the applications menu and tap ‘Settings’.

b) Scroll down in the menu and tap the ‘Backup & reset’ option.

c) Then tap ‘Factory data reset’ and confirm this option.

Note that selecting this option will delete all data that has been subsequently installed (apps, login information, e-mail accounts etc.). This does not affect data stored on an external storage device.

How do I select my language if German is set as default language on my SURFTAB TWIN 10.1 (2019)?  

After switching on the SURFTAB TWIN 10.1 (2019), the start screen appears. To set the user interface to the desired language, please tap inside the applications menu on "Settings" and afterwards on "Language & input". Tap now in the right column on the first field "Language" and select your language.


For further information visit the product's download area on our homepage.

What if I do not find the menu item Language & input under Settings on my SURFTAB TWIN 10.1 (2019)? In what direction should I swipe my finger across the screen to get to the menu items further down on the page?  

The displacement of the touch screen works in exactly the opposite direction as you would scroll down the computer screen using a mouse:  if you want to push the display on your SURFTAB TWIN 10.1 (2019) down (for example to reach menu items positioned further down on the list, put your fingertips on the screen and swipe upwards. The display follows your movement and elements positioned further down on the display slide upward.

Why does my SURFTAB TWIN 10.1 (2019) not recognize the newly inserted SIM card?  

When inserting the SIM card into your SURFTAB TWIN 10.1 (2019) please always make sure that the Surftab is completely switched off and is not merely in standby mode. If you have inserted a SIM card into the turned-on Surftab, then after inserting simply turn the Surftab completely off and on again.

How do I switch between the front- and the backcamera on my SURFTAB TWIN 10.1 (2019)?  

In the camera settings (see instructions), look for a camera symbol surrounded by an arrow. Tap this symbol to switch back and forth between the two cameras of the SURFTAB TWIN 10.1 (2019).

What solutions do I have if my SURFTAB TWIN 10.1 (2019) is not responding?  

If you can no longer use the SURFTAB TWIN 10.1 (2019) or if the device no longer responds to input, reset the device. Press and hold down the on/off button until the device switches off. Wait for about 20 seconds and then turn the device on normally.

Why does my SURFTAB TWIN 10.1 (2019) turn on when I connect it to a power source? Is that normal?  

Yes, this is perfectly normal. It allows you to see the charge level of the SURFTAB TWIN 10.1 (2019). If you perform no further actions, the device will switch to standby mode as it continues to charge.

Why does my SURFTAB TWIN 10.1 (2019) don't charge? What can I do?  

Check whether your SURFTAB TWIN 10.1 (2019) is properly connected to the charger. If your device still does not charge, connect it to your computer using the USB cable provided. This will allow you to determine whether the charger or battery is defective.

What should I do if my SURFTAB TWIN 10.1 (2019) is not recognized by the Android Debug Bridge (ADB)?  

Firstly, make sure that the USB debugging mode is activated in the SURFTAB TWIN 10.1 (2019) developer options. If the developer options are not displayed, go to "Settings" -> "About Tablet" and tap "Build number" until "Developer options" appears under "System" (under Android™ 5.1.1 as a new option in "Settings"). Ensure that you have already installed and configured the latest Android SDK.


For Windows:
Go to the Windows device manager and check whether there is a device marked with a yellow exclamation mark (!) that corresponds to your tablet. Right click this entry and select "Properties". In the "Driver" tab, click "Update driver's software". In the window that follows, select the option "Browse my computer for driver software" and enter the path where the unzipped TREKSTOR "android_winusb" driver is located. If you receive a message during installation that prompts you to not install this driver, confirm with "Install this driver software".


Windows and MAC OS X:
It is now necessary to configure the ADB for the TREKSTOR tablet. You must add the TrekStor Vendor-ID (0x1e68) to the "adb_usb.ini" file in the hidden ".android" folder. To do so, proceed as follows:


1. Open the command prompt and enter the command "echo 0x1e68 >> $HOME/.android/adb_usb.ini".
2. Now check whether the SURFTAB TWIN 10.1 (2019) has been recognised by opening "cmd.exe" and entering the commands "adb kill-server" and "adb devices" in succession.


1. Open the terminal window and enter the command "echo 0x1e68 >> $HOME/.android/adb_usb.ini".
2. Now check whether the device has been recognised by opening „Terminal“ and entering the commands "adb kill-server" and "adb devices" in succession.

What can I do if my SURFTAB TWIN 10.1 (2019) screen flickers?  

This is a setting in the Development Settings of the Android operating system serving for programmers to visualize which part of the screen is being updated.
This setting can be easily deactivated via the menu item "Dev Tools" -> "Development Settings" -> "Show screen updates" by un-checking the box.

Why does the front camera of my SURFTAB TWIN 10.1 (2019) displays the image mirrored?  

Yes. Before the shutter button is pressed, the front camera shows a mirror image. But the photo is saved in the way it looks in reality.

Which eBook formats are compatible with my SURFTAB TWIN 10.1 (2019)?  

The device supports all commercial eBook formats. However, you must install an appropriate app in order to read eBooks on your SURFTAB TWIN 10.1 (2019). You can download these apps from a number of different providers. Consult the program specifications to determine which formats are compatible with the app you have selected.

Why is my SURFTAB TWIN 10.1 (2019) charging slowly?  

If you have connected the SURFTAB TWIN 10.1 (2019) for charging and set your device at high exposure at the same time (eg movie playback at 100 % display brightness while surfing, chatting or playing), the battery is charging very slow due to the stress. We recommend you therefore to load the device in the off state.

When I try to start a video recording on my SURFTAB TWIN 10.1 (2019), an error message is displayed and recording does not start. What can I do?  

Please first run all available updates on your SURFTAB TWIN 10.1 (2019). If the error persists despite updates, pleaste contact our customer service:

Why is no sound coming from my SURFTAB TWIN 10.1 (2019)?  

You may have headphones connected to your SURFTAB TWIN 10.1 (2019). If headphones are connected the loudspeaker of the device is automatically turned off. Disconnect the headphones from the device to re-enable the speakers. If there is still no sound, check if the sound of the device is turned on and if the volume is set high enough.

Why can't I turn on my SURFTAB TWIN 10.1 (2019)?  

Perhaps the charge of the battery isn't enough to turn the SURFTAB TWIN 10.1 (2019) on. Connect the charger to the device to recharge the batttery.

How can I perform Windows updates on my SURFTAB TWIN 10.1 (2019)?  

With enabled internet connection your SURFTAB TWIN 10.1 (2019) checks the availability of new updates daily and displays a message in the Info Center when new updates are available. To keep your device always up to date, it is extremly important to regularly connect the device to the internet. If you've select "Express Settings" in the startup wizard, the first time you've switched it on, the SURFTAB TWIN 10.1 (2019) automatically executes available updates at shutdown (download and installation). You can change this setting. To do this, enter the settings and choose "Update and Security" -> "Windows Update" -> "Advanced Options" and select the desired installation method for updates.

What can I do if the internal memory of my SURFTAB TWIN 10.1 (2019) is full or almost full?  

To relieve the internal memory of your SURFTAB TWIN 10.1 (2019) and free up memory space, you can save media files stored on the device (eg pictures, videos or text files) to an external data carrier (eg a USB memory drive or a suitable Memory card) or delete apps that are no longer needed.

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