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====== Kyocera DIGNO Keitai Basic ======

The Kyocera DIGNO Keitai Basic was released June 3, 2021. It is a business oriented device with no camera. The phone has the exact same dimensions as the [[.kyocera_digno_keitai_3:start|Kyocera Keitai DIGNO 3]] and [[.kyocera_digno_keitai_4:start|Kyocera Keitai DIGNO 4]].

The external light turns on when receiving a call or when charging. The KY-41B was directly succeeded by the KY-43C in the DIGNO 4 lineup.

===== Specs =====

^  Phone  ^  KY-41B  ^
^  CPU  |  QM215 1.2GHz (quad-core)  |
^  RAM  |  1GB  |
^  Internal storage  |  8GB  |
^  External storage  |  microSDHC officially supporting up to 32GB.  |
^  Battery  |    |
^  Battery model  |  KY01  |  
^  Primary display  |    |
^  External display  |  ?  |
^  Camera  |     None  |
^  Operating system  |   Android 10[(https://www.bizemotion.net/joomla/index.php/modellist-top/sp.html)]   |
^  Durability ratings  |    |
^  Dimensions  |  51×112×17.9mm (when folded)  |
^  Other features  |    |
^  Release date  |    June 3, 2021   |
^  Colors  |  Black  |

=== Battery ===
The phone comes with the battery model KY01, which is also used the the KY-4XC models of the [[.:kyocera_digno_keitai_4:|DIGNO 4]]. This phone is also compatible with the KYBEZ1, KYBFJ1 and KYF36UAA battery models. 

==== Connectivity ====

^  Radios[(https://www.ntt.com/business/mobile/product/feature_phone/ky41b/spec.html)]  ||
^  4G bands (LTE)  |  1, 19  |
^  3G bands (W-CDMA)  |  1, 6, 19  |
^  2G bands (GSM)  |  None  |


^  Miscellaneous  ||
^  Calling  |  VoLTE, HD Voice (3G)  |
^  Wi-Fi  |  IEEE802.11 b/g/n (2.4GHz only)  |
^  Bluetooth  |  4.2  |
^  Ports  |  USB-C 2.0 (charging/data)  |
^  Tethering  |  Up to 10 devices  |
^  Other features  |  GPS  |

===== Operating system =====

Kyocera releases [[http://android-dev.kyocera.co.jp/source/|source code]] for the kernel and open source components of the operating system. Software updates will no longer be published after January 2027[(https://support.ntt.com/business/purpose/detail/ky41b/)]


===== Notes =====

==== Charging cradle ====

The DIGNO Basic has a charging cradle that is sold separately.

The charging cradles do not support data transfer, and seem to be completely interchangeable between the DIGNO 3, DIGNO 4, and the DIGNO Basic [(https://www.reddit.com/r/dumbphones/comments/1ip8rtx/update_official_kyocera_digno_usbc_charging/)].

==== Model numbers ====

Rear cover: KY01<K>[(https://support.ntt.com/upload/content/docomo/pdf/KY-41B_qsg.pdf)]

Charging cradle: Desktop holder KY01

===== Official pages =====

^  Phone  ^  KY-41B  ^  
^ Product pages | [[https://www.ntt.com/business/mobile/product/feature_phone/ky41b.html|Docomo Page]] \\ [[https://www.kyocera.co.jp/prdct/telecom/office/phone/lineup/ky-41b/|Kyocera page]] |
^ Manuals | [[https://support.ntt.com/upload/content/docomo/pdf/KY-41B_qsg.pdf|Docomo quick start manual (Japanese)]] \\ [[https://support.ntt.com/upload/content/docomo/pdf/KY-41B_J_syousai_FV.pdf|Docomo instruction manual (Japanese)]] \\ [[https://www.kyocera.co.jp/prdct/telecom/office/phone/lineup/ky-41b/img/ky-41b_catalog.pdf|Kyocera catalog]] | 
^ Specs | [[https://www.ntt.com/business/mobile/product/feature_phone/ky41b/spec.html|Docomo Page]] \\ [[https://www.kyocera.co.jp/prdct/telecom/office/phone/lineup/ky-41b/spec.html|Kyocera Page]] |