From b901e186d35b35bc9a8533c60871c1bdf28b3297 Mon Sep 17 00:00:00 2001
From: Jason2866 <24528715+Jason2866@users.noreply.github.com>
Date: Sat, 25 Apr 2026 19:16:12 +0200
Subject: [PATCH] disable IPv6 for C2 safeboot (#24678)

---
 platformio_tasmota_env32.ini | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/platformio_tasmota_env32.ini b/platformio_tasmota_env32.ini
index 48e976c25..ee9b67673 100644
--- a/platformio_tasmota_env32.ini
+++ b/platformio_tasmota_env32.ini
@@ -81,13 +81,16 @@ lib_ignore              = ${safeboot_flags.lib_ignore}
 extends                 = env:tasmota32_base
 board                   = esp32c2
 board_build.app_partition_name = safeboot
+build_unflags           = ${env:tasmota32_base.build_unflags}
+                          -DUSE_IPV6
+;                          -DUSE_4K_RSA
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_SAFEBOOT
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c2-safeboot.bin"'
 lib_extra_dirs          = lib/lib_ssl, lib/libesp32
 lib_ignore              = ${safeboot_flags.lib_ignore}
 custom_sdkconfig        =
-;                          '# CONFIG_LWIP_IPV6 is not set'
+                          '# CONFIG_LWIP_IPV6 is not set'
                           '# CONFIG_LWIP_IPV6_AUTOCONFIG is not set'
                           '# CONFIG_LWIP_PPP_SUPPORT is not set'
                           '# CONFIG_LWIP_IP6_FRAG is not set'
@@ -110,6 +113,8 @@ custom_sdkconfig        =
                           '# CONFIG_ESP_MAC_ADDR_UNIVERSE_BT is not set'
                           '# CONFIG_ESP_MAC_ADDR_UNIVERSE_ETH is not set'
                           '# CONFIG_ETH_ENABLED is not set'
+                          '# CONFIG_VFS_SUPPORT_IO is not set'
+                          '# CONFIG_ESP_PHY_CALIBRATION_AND_DATA_STORAGE is not set'
 
 [env:tasmota32c3-safeboot]
 extends                 = env:tasmota32_base