# I can only upload code using version 4.0.2

**URL:** https://forum.amebaiot.com/t/i-can-only-upload-code-using-version-4-0-2/3057
**Category:** SDK
**Tags:** rtl8735b
**Created:** [June 24, 2024, 1:01am UTC](https://forum.amebaiot.com/t/i-can-only-upload-code-using-version-4-0-2/3057 "2024-06-24T01:01:31Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Daniel\_Quiroga](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/daniel_quiroga/32/2151_2.png) [@Daniel\_Quiroga](https://forum.amebaiot.com/u/Daniel_Quiroga)
#### Post date: [June 24, 2024, 1:01am UTC](https://forum.amebaiot.com/t/i-can-only-upload-code-using-version-4-0-2/3057/1 "2024-06-24T01:01:32Z")

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I can only upload code using version 4.0.2 of the Arduino SDK. I’ve tried all versions from 4.0.3 to the latest one, but I can’t upload any code. Am I doing something wrong?

This is how it looks when I try to upload code in version 4.0.2:

 ![Captura de pantalla 2024-06-20 123909](https://us1.discourse-cdn.com/flex016/uploads/ameba/original/2X/3/36ff6cab84b31d12e2881cd7b8d8b143b9301fcd.png)

This is how it looks when I try to upload code in newer versions:

 ![Captura de pantalla 2024-06-21 112152](https://us1.discourse-cdn.com/flex016/uploads/ameba/original/2X/e/edc1bf920758d297edd53e3f6a7e1219eb58c5e4.png)

Additionally, I always make sure that the board is in upload mode.

 ![Captura de pantalla 2024-06-21 111508](https://us1.discourse-cdn.com/flex016/uploads/ameba/original/2X/7/7d79d4fffef10be76f00afa14bfb3e82ef0b6826.png)

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<div class="post-metadata">

### Author: ![Pammy](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/pammy/32/936_2.png) [@Pammy](https://forum.amebaiot.com/u/Pammy)
#### Post date: [June 24, 2024, 1:06am UTC](https://forum.amebaiot.com/t/i-can-only-upload-code-using-version-4-0-2/3057/2 "2024-06-24T01:06:07Z")

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Hi @Daniel_Quiroga ,

Kindly go to Preference and tick compile and upload to see the full log.

 ![image](https://us1.discourse-cdn.com/flex016/uploads/ameba/original/2X/7/79f941d33e9c7763f9c19b9e195aae2099ebcac5.png)

Once finish uploading, it will look like this for v4.0.7.  
 ![image](https://us1.discourse-cdn.com/flex016/uploads/ameba/original/2X/3/35a7f2aa2b4841f242ce46c5ef36786eb70ff61f.png)

May I know which OS are you using?