# How to Safely Handle Lost or Damaged Devices?

First, determine whether the device stores an MPC shard of the Cregis wallet. If it does not contain a shard, no special action is required.

If the device does store an MPC shard and is lost, to prevent unauthorized use of the lost device, follow these solutions based on the scenarios below:

## **1. If the wallet creator’s device is damaged or lost**

If the wallet creator has multiple devices with the wallet shard, authorization can be completed using another functional device. You might refer to [**here**](/getting-started/quickstart.md) for instruction details.<br>

<figure><img src="/files/dS4VuSPYQDEEdas1Z3Fa" alt=""><figcaption></figcaption></figure>

If there are security concerns regarding the shard on the inaccessible device, it can be deleted using another functional device. Refer to this [link ](/wallet-and-transactions/shard.md#delete-a-shard)for instructions.

<figure><img src="/files/lQGKuvyCb3vx3QMcxC3U" alt=""><figcaption></figcaption></figure>

If the wallet creator has only one device and that device becomes unavailable, the shard reset function can be used. By entering the recovery phrase, all shards in the wallet can be reset, and non-creator members will need to reauthorize their shards. Refer to this [link](/wallet-and-transactions/shard.md#reset-a-shard) for detailed steps.

<figure><img src="/files/l6uzTc4FsU1VNlXyIoFH" alt=""><figcaption></figcaption></figure>

## **2. If a non-creator member’s device is damaged or lost**

If you are concerned that the shard stored on the device might pose a security risk, the wallet creator can delete the shard of the specific device using the shard management function. The deleted shard will become invalid.

<figure><img src="/files/uyOpAuCdB3FjbyvguQoH" alt=""><figcaption></figcaption></figure>

If the member has a new device that needs to continue using the shard, the shard can be reauthorized through the regular shard authorization process. Refer to this [link](/wallet-and-transactions/shard.md#authorize-a-shard-to-another-wallet-member) for detailed instructions.


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