diff --git a/esphomeflasher/__main__.py b/esphomeflasher/__main__.py
index 25a3c83..e6981c4 100644
--- a/esphomeflasher/__main__.py
+++ b/esphomeflasher/__main__.py
@@ -91,15 +91,18 @@ def run_esphomeflasher(argv):
     flash_size = detect_flash_size(stub_chip)
     print(" - Flash Size: {}".format(flash_size))
 
+    mock_args = configure_write_flash_args(info, firmware, flash_size,
+                                           args.bootloader, args.partitions,
+                                           args.otadata)
+
+    print(" - Flash Mode: {}".format(mock_args.flash_mode))
+    print(" - Flash Frequency: {}Hz".format(mock_args.flash_freq.upper()))
+
     try:
         stub_chip.flash_set_parameters(esptool.flash_size_bytes(flash_size))
     except esptool.FatalError as err:
         raise EsphomeflasherError("Error setting flash parameters: {}".format(err))
 
-    mock_args = configure_write_flash_args(info, firmware, flash_size,
-                                           args.bootloader, args.partitions,
-                                           args.otadata)
-
     if not args.no_erase:
         try:
             esptool.erase_flash(stub_chip, mock_args)
diff --git a/esphomeflasher/common.py b/esphomeflasher/common.py
index 011ccee..9476afd 100644
--- a/esphomeflasher/common.py
+++ b/esphomeflasher/common.py
@@ -12,13 +12,13 @@ class EsphomeflasherError(Exception):
 
 
 class MockEsptoolArgs(object):
-    def __init__(self, flash_size, addr_filename):
+    def __init__(self, flash_size, addr_filename, flash_mode, flash_freq):
         self.compress = True
         self.no_compress = False
         self.flash_size = flash_size
         self.addr_filename = addr_filename
-        self.flash_mode = 'keep'
-        self.flash_freq = 'keep'
+        self.flash_mode = flash_mode
+        self.flash_freq = flash_freq
         self.no_stub = False
         self.verify = False
 
@@ -180,7 +180,7 @@ def configure_write_flash_args(info, firmware_path, flash_size,
         addr_filename.append((0x10000, firmware))
     else:
         addr_filename.append((0x0, firmware))
-    return MockEsptoolArgs(flash_size, addr_filename)
+    return MockEsptoolArgs(flash_size, addr_filename, flash_mode, flash_freq)
 
 
 def detect_chip(port, force_esp8266=False, force_esp32=False):
diff --git a/esphomeflasher/const.py b/esphomeflasher/const.py
index 9821b5d..23f5351 100644
--- a/esphomeflasher/const.py
+++ b/esphomeflasher/const.py
@@ -3,11 +3,8 @@ import re
 __version__ = "1.0.0"
 
 ESP32_DEFAULT_OTA_DATA = 'https://raw.githubusercontent.com/espressif/arduino-esp32/1.0.0/tools/partitions/boot_app0.bin'
-# The latest bootloader image seems to work with older firmwares, but the "stable" bootloader
-# doesn't work with firmwares generated with the latest esp-idf
 ESP32_DEFAULT_BOOTLOADER_FORMAT = 'https://raw.githubusercontent.com/espressif/arduino-esp32/' \
-                                  '96822d783f3ab6a56a69b227ba4d1a1a36c66268/tools/sdk/' \
-                                  'bin/bootloader_$FLASH_MODE$_$FLASH_FREQ$.bin'
+                                  '1.0.0/tools/sdk/bin/bootloader_$FLASH_MODE$_$FLASH_FREQ$.bin'
 ESP32_DEFAULT_PARTITIONS = 'https://raw.githubusercontent.com/OttoWinter/esphomeflasher/master/partitions.bin'
 
 # https://stackoverflow.com/a/3809435/8924614