# Npm -v problem with RPI3
**URL:** https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145
**Category:** Dashboard
**Created:** [31 July 2021 14:13 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145 "2021-07-31T14:13:31Z")
**Posts on this page:** 10
**Page:** 2
### Author:  [@mustafa](https://discourse.nodered.org/u/mustafa)
#### Post date: [31 July 2021 21:09 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/21 "2021-07-31T21:09:35Z")
I have two Pis one RPI3 and the second is RPI Zero W
the new os can be used for both ?
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### Author:  [@dceejay](https://discourse.nodered.org/u/dceejay)
#### Post date: [31 July 2021 21:09 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/22 "2021-07-31T21:09:38Z")
You can upgrade manually by editing the apt sources files and doing an apt upgrade but it will take a couple of hours per OS level you need to go through.
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### Author:  [@dceejay](https://discourse.nodered.org/u/dceejay)
#### Post date: [31 July 2021 21:10 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/23 "2021-07-31T21:10:21Z")
Yes buster works on all Pi versions
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### Author:  [@mustafa](https://discourse.nodered.org/u/mustafa)
#### Post date: [31 July 2021 21:11 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/24 "2021-07-31T21:11:04Z")
I have no experience in such filed is there any easy way to do ?
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### Author:  [@Colin](https://discourse.nodered.org/u/Colin)
#### Post date: [2 August 2021 14:57 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/25 "2021-08-02T14:57:58Z")
A google search found this link. it is for upgrading from Stretch to Buster but you should be able to follow it. Pay particular attention to the note that you should make a backup of your card if there important things on it. The backup may go wrong and the card may no longer boot. In addition make sure that your backups of your node-red flows (no doubt you already have those backups) are up to date.
I have never used this technique, I have always started again with a fresh card, installed the latest Raspbian, and added the stuff I need.
> **[How to Upgrade Raspbian Stretch to Raspbian Buster](https://pimylifeup.com/upgrade-raspbian-stretch-to-raspbian-buster/)**
>
> It's a relatively simple process.
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### Author:  [@mustafa](https://discourse.nodered.org/u/mustafa)
#### Post date: [2 August 2021 16:22 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/26 "2021-08-02T16:22:36Z")
Many thanks for all for the help
I installed the new os and it works fine with nodered
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### Author:  [@Colin](https://discourse.nodered.org/u/Colin)
#### Post date: [2 August 2021 16:35 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/27 "2021-08-02T16:35:58Z")
> [@mustafa](#):
>
> I installed the new os and it works fine with nodered
Did you upgrade the existing card or start again with a new Raspbian image?
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### Author:  [@mustafa](https://discourse.nodered.org/u/mustafa)
#### Post date: [3 August 2021 13:59 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/28 "2021-08-03T13:59:50Z")
no , I start with format SD and using the imager tool with OS
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### Author:  [@Colin](https://discourse.nodered.org/u/Colin)
#### Post date: [3 August 2021 14:58 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/29 "2021-08-03T14:58:14Z")
OK, that is the safest way, I was interested to know whether the upgrade worked.
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### Author:  [@system](https://discourse.nodered.org/u/system)
#### Post date: [2 September 2021 14:59 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145/30 "2021-09-02T14:59:10Z")
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