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SM20 Series 
User Manual 

13 

 

 

1.3.2

 

Turning the Device Off 

Press and hold the Power button for about one second to display the following pop-up screen. 
Select the Power off menu to turn off the power.   

 

 

 

If the device stops its operation for a long time, press and hold the Power button for 
about eight seconds to forcibly reboot the device. 

 

Summary of Contents for SM20 Series

Page 1: ...SM20Series User Manual Version 1 0 2021 Korea Headquarter Seoul Korea sales m3mobile co kr 82 0 2 574 0037 Europe Headquarter Germany Frankfurt sales_eu m3mobile net 49 0 6190 8021829 www m3mobile ne...

Page 2: ...SM20 Series User Manual 2 Revision Release date of version 1 0 Sep 2021 Initial distribution...

Page 3: ...application that is supplied by a third party M3 Mobile does not have any legal responsibility for any performance degradation or compatibility problem that may occur because of the user s mistake or...

Page 4: ...y cause the device to become deformed or an explosion or fire may occur If the device is placed inside a vehicle the battery may explode due to increase in temperature Do not use the device when there...

Page 5: ...ng or driving distract your attention and may cause traffic accidents Instructional Icons Before using this manual please carefully read and understand the following icons Warning Situations that may...

Page 6: ...urning the Device Off 13 1 3 3 Standby Mode 14 1 4 Memory Card 15 1 4 1 Inserting an External Memory Card 15 1 4 2 Checking Data 15 1 5 SIM Card 16 1 5 1 Inserting the SIM Card 16 2 Basic Use 17 2 1 F...

Page 7: ...How to Use Scanner 28 3 3 2 Using the Scanner 29 3 4 Bluetooth 30 3 4 1 Setting the Bluetooth Feature 30 3 4 2 Connecting Using Bluetooth 31 3 5 NFC 32 3 5 1 Setting the NFC Feature 32 3 5 2 Connecti...

Page 8: ...ded in the package contact the store where you purchased the device NOTE The cradle and all accessories are sold separately Please refer to the SM20 Accessory guide Cradle can be provided depending on...

Page 9: ...bottom in the right direction M3 SM20 uses 3 8 V 4 100mAh Li ion Battery 3 8V 6 150mAh Li ion Battery If an unapproved battery is used it may explode When a battery is discarded follow proper disposa...

Page 10: ...the battery is replaced by an incorrect type or equivalent text element 4 optional 1 2 2 Charging the Battery If the following battery warning screen is displayed charge the battery If the device is...

Page 11: ...re other than 20 4 to 60 140 the device may malfunction or break down It takes about 4 hours to fully charge a battery that is fully discharged It is recommended to replace a battery every two year If...

Page 12: ...On Press and hold Power button until the device vibrates This will turn the device on and initial screen will display If the battery is completely discharged problems may occur when the device is tur...

Page 13: ...hold the Power button for about one second to display the following pop up screen Select the Power off menu to turn off the power If the device stops its operation for a long time press and hold the P...

Page 14: ...y consumption To manually set the device in standby mode lightly press the Power button By default if the device is not used for 30 seconds or longer it shifts to standby mode The time when the device...

Page 15: ...ry insert SD memory card into the Micro SD card slot To insert a Micro SD card remove the battery cover on the back of the device and remove the battery Android 11 the OS used in M3 SM20 can support u...

Page 16: ...e call and data transfer through mobile communications The card should be the one verified by a local network supplier To insert SIM card remove the battery cover on the back of the device and remove...

Page 17: ...n Menu Button Function Button Camera Button Rear Camera Scan Window Battery Cover Speaker Ear Jack Hole Power Button Charging Contacts Microphone I O Pin 2 2 Key 2 2 1 Button Button Description Scanne...

Page 18: ...is divided into six sections as follows Notification Bar Status Bar Quick Search Bar Home Screen Dock Bar 2 3 1 Status Bar The Status Bar displays status of the device Icon Icon Name Description Batte...

Page 19: ...be used Music Music is being played Data Sync An error occurs when data is being synchronized Data Upload Data is being uploaded Data Download Data is being downloaded SD Card Full Capacity of SD card...

Page 20: ...connect with businesses you re interested in and get around with real time traffic information YouTube See what the world is watching in music gaming entertainment news and more Subscribe to channels...

Page 21: ...ut icons can be placed on the lower section to rapidly execute frequently used programs On the Dock Bar up to five shortcut icons may be added or deleted Icon Icon Name Description Phone Receive or ma...

Page 22: ...rogram being executed will end and the data or file being used will also be deleted However the stored data or file will not be affected by Soft Reset 2 5 3 Factory Reset If serious problem occurs in...

Page 23: ...al 23 Check if Erase internal SD card is checked Reset device Erase everything According to options documents in internal SD card or Micro SD card may be deleted As such please check the options All s...

Page 24: ...ount using the username and password If you have multiple Google Accounts set up on the device you can log in using any of the accounts If an unauthorized person tries to reset the device by another m...

Page 25: ...the list of devices registered to the account If you don t see the device listed on the account it means the device is registered to a different account Use the same process to check for devices link...

Page 26: ...ferred through Explorer If the device does not connect with a PC check the following Check if the USB cable is properly connected between the device and PC Check if LCD screen of the device is turned...

Page 27: ...Fi Feature Activating the Wi Fi feature Swipe the bottom Click Settings and set the WLAN menu to ON OFF to activate or deactivate the Wi Fi feature Connecting to a Wi Fi network To connect to an AP pe...

Page 28: ...ssword 3 3 Scanner M3 SM20 provides 1D 2D or Long range scanner as an option For detailed information on available options please contact the local distributor or refer to our Web site Homepage http w...

Page 29: ...D scanner In case of 2D scanner it cannot be simultaneously used with a camera 3 3 2 Using the Scanner Place the device toward a targeted barcode and press Scan button The laser beam of the scanner sh...

Page 30: ...ooth 3 4 1 Setting the Bluetooth Feature A Bluetooth device frequently used can be registered or M3 SM20 can be searched in another device Activating the Bluetooth feature Swipe the bottom Click Setti...

Page 31: ...e Bluetooth device to complete access to the device Guide on distance between the device and user The device is tested in general conditions wherein the device is 0 5 cm apart from a user To meet the...

Page 32: ...f the device or one that does not meet the radiation safety and protection standards of Ministry of Science ICT and Future Planning 3 5 NFC 3 5 1 Setting the NFC Feature Activating the NFC Feature The...

Page 33: ...the NFC Device Open Web page or screen of a video photo or contact Place back part of the NFC device toward back part of M3 SM20 Touch the screen Data transfer would then start Caution when sharing da...

Page 34: ...SM20 near NFC chip or tag card until data transfer is completed Generally data is displayed in the application Connecting to a Bluetooth Device with the NFC Feature 1 Do not cover the antenna area of...

Page 35: ...ribed on the online support page of M3 Mobile The OS of M3 SM20 can be updated through two methods Use Micro SD card Connect the device via Ethernet cradle For detailed information on OS update please...

Page 36: ...Manual 36 4 2 Key Setting Conversion M3 SM20 allows a user to change and modify key settings for user convenience Swipe the bottom Click KeyTool application Keys can be set as follows SM20 KEYTOOL app...

Page 37: ...SM20 Series User Manual 37 The setting of the device s physical buttons except for Power button can be changed...

Page 38: ...ooting a device Because 1 Not saved application data is erased when device is rebooted 2 Rebooting Time is too long Battery Hot swap function prevents this situation 1 Be sure to remove the battery af...

Page 39: ...rging function you can keep it faster as much as about half an hour By using a PCM Protection Circuit Module in each cell more current is used which improves charging times and eliminates risk of batt...

Page 40: ...aker and microphone Performance Characteristics CPU Qualcomm Snapdragon 662 Octa core processor 2 0Ghz With Adreno 610 GPU OS Android 11 Up to Android 13 with M3 Mobile s StartUp for control over GMS...

Page 41: ...Temperature 4 F to 140 F 20 C to 60 C Storage Temperature 22 F to 176 F 30 C to 80 C Humidity 5 to 95 RH Non condensing Tumble Test 0 5m 1000Cycle 1m 500Cycle with Boots Drop Test 1 2m 1 8m with bump...

Page 42: ...faster service 5 2 1 Contacts Head Office 4F Namjeon Bldg 44 Gu ui Gangbyeon ro Gwangjin gu Seoul Korea 05116 Tel 82 2 574 0037 Fax 82 2 558 1253 www m3mobile net sales m3mobile co kr sales_eu m3mobi...

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