From fb85289fa8b38eea2ac0b2911647acdab0e06548 Mon Sep 17 00:00:00 2001
From: Radiirgummii <104864594+Radiirgummii@users.noreply.github.com>
Date: Wed, 17 Jun 2026 21:55:25 +0200
Subject: [PATCH] Update index.md

adding clarification on USB stick requirements for updates ect.
---
 index.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/index.md b/index.md
index bd13164..f531759 100644
--- a/index.md
+++ b/index.md
@@ -211,7 +211,7 @@ There are multiple ways to get the latest Firmware on your DECT RFP. (There are
 
 This is the easiest option.
 
-1. Make sure the Flash Drive is formatted FAT32
+1. Make sure the Flash Drive is formatted FAT32, with a max. partition size of 4 Gigs, and MBR/MS DOS partitioning.
 2. Copy the Firmware file onto the Drive
 3. Make sure it is named iprfp3G.dnld (for Gen. 3 RFPs) or iprfp4G.dnld (for Gen. 4 RFPs)
 4. Connect the Flash drive to the RFP and reboot the RFP by switching off and on the 48V
@@ -240,13 +240,13 @@ If the LED1 does not switch to orange after a reboot, chance is high the firmwar
 
 To fix this, there is a function called uImageFailSafe that can be found on the internet, at least for SIP-DECT Version 4. 
 
-Take a FAT32 formatted USB Flash Drive, copy the "uImageFailSafe" and the corresponding SIP-DECT Vers. 4 "iprfp3G.dnld" onto the Drive and reboot the RFP. 
+Take a FAT32 formatted USB Flash Drive, with a max. partition size of 4 Gigs, and MBR/MS DOS partitioning, copy the "uImageFailSafe" and the corresponding SIP-DECT Vers. 4 "iprfp3G.dnld" onto the Drive and reboot the RFP. 
 
 The RFP will flash Version 4 from where it can be upgraded to the latest Version by the procedure shown above. 
 
 ### Factory reset
 
-Just as for the firmware upgrade, the easiest way to reset the RFP is to copy an empty file called `factoryReset` (case-sensitive) to a FAT32-formatted USB flash drive.
+Just as for the firmware upgrade, the easiest way to reset the RFP is to copy an empty file called `factoryReset` (case-sensitive) to a FAT32-formatted USB flash drive, with a max. partition size of 4 Gigs, and MBR/MS DOS partitioning.
 Power-cycle the RFP and wait for the RFP to be reset. After a successful reset, the file should theoretically be deleted by the RFP, but sometimes it also resets correctly without deleting the file.
 
 The factory reset via USB was added in SIP-DECT version 6.0. If your RFP has an older version, you will have to update to a newer version first (for example via the USB update method), and use the `factoryReset` file after the update.