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  6. Is it dangerous to use second-hand devices for corporate smartphones? Points to be aware of when implementing.

Is it dangerous to use second-hand devices for corporate smartphones? Points to be aware of when implementing.

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last updated:Mar 09, 2026

STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)
STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)
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We will also introduce measures to take if you accidentally purchase a device with issues.

Recently, the prices of smartphones have been steadily rising. More companies are considering purchasing used devices to keep costs down when introducing smartphones for business use. However, there are important considerations when buying used devices. One of these is the "condition of the device" (which indicates the state directly related to the use of the device, such as whether communication is possible or if it is locked), which cannot be determined by the buyer. If not properly understood, this can lead to serious troubles that may result in information leaks. Recently, there has been an increase in cases where devices are purchased through personal sales platforms like Mercari, Yahoo Auctions, and flea market apps, but this poses a very high risk for corporate use, so caution is necessary. This article will provide a detailed explanation of the risks and considerations associated with purchasing used devices. *For more details, please refer to the related links. Feel free to contact us for more information.*

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?法人スマホに中古端末は危険

Is it dangerous to use second-hand devices for corporate smartphones? Points to be aware of when implementing.

?法人スマホに中古端末は危険 画像.png
?法人スマホに中古端末は危険 画像.png
  • Related Link - https://msc.stjg.jp/stj-column/chuko_tanmatsu/
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Introduction to the BPO service "MaruMoba" for corporate mobile phones and corporate smartphones.

Introduction to the BPO service "MaruMoba" for corporate mobile phones and corporate smartphones.

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Proposal materials for device management service MDM "OPTiM Biz" for corporate mobile phones and corporate smartphones.

Proposal materials for device management service MDM "OPTiM Biz" for corporate mobile phones and corporate smartphones.

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[Service] Corporate Mobile Phone and Smartphone Insurance 'STJ Damage Support (i) 1 Year'

[Service] Corporate Mobile Phone and Smartphone Insurance 'STJ Damage Support (i) 1 Year'

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Corporate Cloud Wi-Fi "STJ Rental Wi-Fi 100"

Corporate Cloud Wi-Fi "STJ Rental Wi-Fi 100"

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STJ Rental Wi-Fi Brochure "Rental Wi-Fi 1 / Rental Wi-Fi 3 / Rental Wi-Fi 100"

STJ Rental Wi-Fi Brochure "Rental Wi-Fi 1 / Rental Wi-Fi 3 / Rental Wi-Fi 100"

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STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)

STJグループ(株式会社サンテレコムジャパン、株式会社STJレンテック)

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The STJ Group (Suntelcom Japan Co., Ltd. and STJ Rentec Co., Ltd.) specializes in the sales, rental, and maintenance of wireless equipment and related solution products. (e.g., business-use wireless devices, IP wireless devices, license-free specific low-power transceivers, solutions products such as cameras and relay devices) ~List of Locations~ ■ Hokkaido Sales Office / Experience Center Sapporo ■ Tohoku Sales Office ■ Kanto Sales Office (Head Office) / Experience Center Tokyo ■ Kansai Branch / Experience Center Osaka ■ Kyushu Sales Office Additionally, the group company Suntelcom Japan Co., Ltd. also engages in mobile corporate business. With a proven track record in major corporate BCP implementations, we provide BPO services where Suntelcom Japan serves as the customer contact point, offering support for bulk management of devices, as well as assistance for malfunctions and losses. We can also provide comprehensive support proposals, including consulting on corporate communication environments and suggestions for office products and business improvement tools.

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Is it dangerous to use second-hand devices for corporate smartphones? Points to be aware of when implementing.
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Is it dangerous to use second-hand devices for corporate smartphones? Points to be aware of when implementing.
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