docs/legacy: MEMORY_PROTECT needs to be 0 for custom built

4 years ago · 2e2f5fd421
parent 394fad9d6d
commit 2e2f5fd421
1 changed files with 2 additions and 0 deletions
--- a/docs/legacy/index.md
+++ b/docs/legacy/index.md
@ -99,6 +99,8 @@ Step 3 should produce the same fingerprint like your local build (for the same v

 **WARNING: This will erase the recovery seed stored on the device! You should never do this on Trezor that contains coins!**

+Build with `MEMORY_PROTECT=0` or you will get a hard fault on your device. 
+
 Switch your device to bootloader mode, then execute:
 ```sh
 trezorctl firmware-update -f build/legacy/firmware/trezor.bin