In the previous article, we mainly described the registration of Launch X431 CRP919X BT. In this article, we will guide you in detail through updating its software and renewing the subscription.

Launch X431 CRP919X BT Software Update module enables you to update the diagnostic software & App and frequently used software.

1. Update Diagnostic Software & APP

Go to Software Update on the Home screen and tap the Downloaded tab. The Available tab displays a list of software that can be updated. Under it, all software is categorized into three kinds:
• Common software: mainly includes some common apps that are associated with the diagnostic app. Software of this kind always stays at the top of the list, which can be deselected manually (excluding the system app, such as firmware and ECU aid).
• Frequently used vehicle software: refers to the diagnostic software that is frequently used, including the vehicle diagnostic software and Reset software. It is generally displayed following the Common software list.
• Other vehicle software: refers to the diagnostic software that is rarely used or never used. It is generally displayed following the Frequently used software list.
1). If the user does not download any diagnostic software during the sign-up process, all diagnostic software is selected by default. Tap Update to start downloading.
2). If the user downloaded all/some vehicle software during the sign-up process and had it serviced for a long time, only the frequently used software is selected. Tap Update to start downloading. Other vehicle software that is rarely used will also be listed under the Available tab, but it is not selected by default.

To download certain software that is not frequently used, check the box before the vehicle model. Tap Update to start downloading.
Once the download is finished, the software packages will be installed automatically.

2. Update Frequently Used Software
If the user only intends to update the frequently used software, go to Software Update and tap the Downloaded tab.

Tap Update to start downloading. Once the download is finished, the software packages will be installed automatically.

3. Renew Subscription
If the software subscription is due or expires, the system will prompt you to renew your subscription.
Tap Renewal on the bottom of the screen to enter the payment screen.
There are three ways available for you to make payment: PayPal, Subscription Renewal Card, and Credit Card.

① Using PayPal
Select PayPal, and then follow the on-screen instructions to finish the transaction.
After payment, go to the update center to update the diagnostic software.

② Using a Subscription Renewal Card
Select Subscription Renewal Card.

Input the 24-digit PIN code of the Subscription Renewal Card and then tap Submit to finish the renewal.
Go to the update center to update the diagnostic software.

③ Using a Credit Card
Select Credit Card, and then follow the on-screen instructions to finish the transaction.
After payment, go to the update center to update the diagnostic software.

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