---
title: PICOTOOL-ERASE
section: 1
header: User Commands
---
# NAME

picotool\-erase \- Erase the program / memory stored in flash on the device\.

# SYNOPSIS

picotool erase \[\-a\] \[device\-selection\]

picotool erase \-p \<partition\> \[device\-selection\]

picotool erase \-r \<from\> \<to\> \[device\-selection\]


# OPTIONS

Selection of data to erase

**\-a**, **\-\-all**
: Erase all of flash memory\. This is the default

**\-p**, **\-\-partition**
: Erase a partition

\<*partition*\>
: Partition number to erase

**\-r**, **\-\-range**
: Erase a range of memory\. Note that erases must be 4096 byte\-aligned,so the range is expanded accordingly

\<*from*\>
: The lower address bound in hex

\<*to*\>
: The upper address bound in hex

Source device selection

**\-\-bus** \<*bus*\>
: Filter devices by USB bus number

**\-\-address** \<*addr*\>
: Filter devices by USB device address

**\-\-vid** \<*vid*\>
: Filter by vendor id

**\-\-pid** \<*pid*\>
: Filter by product id

**\-\-ser** \<*ser*\>
: Filter by serial number

**\-f**, **\-\-force**
: Force a device not in BOOTSEL mode but running compatible code toreset so the command can be executed\. After executing the command\(unless the command itself is a 'reboot'\) the device will berebooted back to application mode

**\-F**, **\-\-force\-no\-reboot**
: Force a device not in BOOTSEL mode but running compatible code toreset so the command can be executed\. After executing the command\(unless the command itself is a 'reboot'\) the device will be leftconnected and accessible to picotool, but without the USB drivemounted

