# Development Tools

**URL:** https://community.anviz.com/c/products/development-tools/45.md

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## [About the Development Tools category](https://community.anviz.com/t/about-the-development-tools-category/83)

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**Author:** [@Echo\_Anviz](https://community.anviz.com/u/Echo_Anviz)\
**Replies:** 0

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Anviz Device SDK development framework allows developers to seamlessly integrate the core functionality of Anviz devices and terminals with 3rd party software. You can submit the form here to get Anviz SDK and we will h…

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## [Help with CChex\_DeleteRecordInfo](https://community.anviz.com/t/help-with-cchex-deleterecordinfo/2736)

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**Author:** [@mrodrigues](https://community.anviz.com/u/mrodrigues)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 3:18pm UTC](https://community.anviz.com/t/help-with-cchex-deleterecordinfo/2736 "2026-04-27T15:18:46Z")

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Hi all, I am trying to get attendance records deleted from a Face Deep 5 device (firmware 03.80.D5-M-ARF-MI, kernel g68b5cdb\_W04, file system 01.80.04). The problem is that I don’t know if what I’m doing is right or no…

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## [W1 Pro - Can I downgrade the firmware from 03.26.CK\_Dark to 03.26.33-ARF-EI?](https://community.anviz.com/t/w1-pro-can-i-downgrade-the-firmware-from-03-26-ck-dark-to-03-26-33-arf-ei/2321)

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**Author:** [@user4](https://community.anviz.com/u/user4)\
**Replies:** 1\
**Last updated:** [February 18, 2025, 8:51am UTC](https://community.anviz.com/t/w1-pro-can-i-downgrade-the-firmware-from-03-26-ck-dark-to-03-26-33-arf-ei/2321 "2025-02-18T08:51:20Z")

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How can i downgrade the firmware ? please send me a copy of 03.26.33-ARF-EI firmware.

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## [Delphi demo sing API 2.52](https://community.anviz.com/t/delphi-demo-sing-api-2-52/2348)

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**Author:** [@utilizador](https://community.anviz.com/u/utilizador)\
**Replies:** 1\
**Last updated:** [February 18, 2025, 6:46am UTC](https://community.anviz.com/t/delphi-demo-sing-api-2-52/2348 "2025-02-18T06:46:16Z")

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Hi, is there a delphi demo using new api 2.52? Many thanks

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## [Trying query to cloud](https://community.anviz.com/t/trying-query-to-cloud/2046)

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**Author:** [@it1](https://community.anviz.com/u/it1)\
**Replies:** 3\
**Last updated:** [November 4, 2024, 5:25am UTC](https://community.anviz.com/t/trying-query-to-cloud/2046 "2024-11-04T05:25:55Z")

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Good morning, I’m trying a query to cloud but I receive the nex response Respuesta exitosa: {‘header’: {‘nameSpace’: ‘System’, ‘name’: ‘Exception’}, ‘payload’: {‘type’: ‘MISS\_PARAM’, ‘message’: ‘MISS\_PARAM’}} Here is m…

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## [Checkin details](https://community.anviz.com/t/checkin-details/1380)

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**Author:** [@Afu](https://community.anviz.com/u/Afu)\
**Replies:** 3\
**Last updated:** [September 25, 2023, 11:38am UTC](https://community.anviz.com/t/checkin-details/1380 "2023-09-25T11:38:39Z")

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Is there any option we can get checkin information for checkin done using mobile application from API (POST Get Record), current its showing only physical devices checkin details.

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## [Is the same SDK for all devices?](https://community.anviz.com/t/is-the-same-sdk-for-all-devices/1214)

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**Author:** [@jesus.tufino](https://community.anviz.com/u/jesus.tufino)\
**Replies:** 1\
**Last updated:** [June 29, 2023, 7:32pm UTC](https://community.anviz.com/t/is-the-same-sdk-for-all-devices/1214 "2023-06-29T19:32:28Z")

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Hi, I want to know if exists a recently SDK update for my C2 Pro? or know if the SDK download in the Anviz page is the same, thanks for support