diff --git a/telnet.lua b/telnet.lua
index ab55c21..57e0902 100644
--- a/telnet.lua
+++ b/telnet.lua
@@ -28,8 +28,161 @@ function startTelnetServer()
         end
     end)
     print("Welcome to the Wordclock.")
+    print("- storeConfig()")
     print("Visite https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_en for further commands")
     end)
     print("Telnetserver is up")
 end
 
+function storeConfig(_ssid, _password, _timezoneoffset, _inv46, _dim, _fcolor, _colorMin1, _colorMin2, _colorMin3, _colorMin4, _bcolor, _threequater)
+
+if ( (_ssid == nil) and
+	(_password == nil) and
+	(_timezoneoffset == nil) and
+	(_inv46 == nil) and
+	(_dim == nil) and
+	(_fcolor == nil) and
+	(_colorMin1 == nil) and
+	(_colorMin2 == nil) and
+	(_colorMin3 == nil) and
+	(_colorMin4 == nil) and
+	(_bcolor == nil) and
+	(_threequater == nil) ) then
+  print("one parameter is mandatory:")
+  print("storeConfig(ssid, password, timezoneoffset, inv46, dim, fcolor, colorMin1, colorMin2, colorMin3, colorMin4, bcolor, threequater)")
+end
+
+if (_password==nil) then
+    _, password, _, _ = wifi.sta.getconfig()
+    print("Restore password")
+else
+    password = _password
+end
+if (_ssid==nil) then
+    ssid, _, _, _ = wifi.sta.getconfig()
+else
+    ssid = _ssid
+end
+
+if (_timezoneoffset==nil) then
+timezoneoffset = _timezoneoffset
+end
+if (_inv46 == nil) then
+inv46 = _inv46
+end
+if (_dim == nil) then
+dim = _dim
+end
+if (_fcolor == nil) then
+fcolor = _fcolor
+end
+if (_bcolor == nil) then
+bcolor = _bcolor
+end
+if (_colorMin1 == nil) then
+colorMin1 = _colorMin1
+end
+if (_colorMin2 == nil) then
+colorMin2 = _colorMin2
+end
+if (_colorMin3 == nil) then
+colorMin3 = _colorMin3
+end
+if (_colorMin4 == nil) then
+colorMin4 = _colorMin4
+end
+if (_threequater == nil) then
+threequater = _threequater
+end
+
+print("SSID = " .. tostring(ssid))
+print("TZNE = " .. tostring(timezoneoffset))
+print("INVT = " .. tostring(inv46))
+print("DIM  = " .. tostring(dim))
+print("FCOL = " .. tostring(fcolor))
+print("BCOL = " .. tostring(bcolor))
+print("MIN1 = " .. tostring(colorMin1))
+print("MIN2 = " .. tostring(colorMin2))
+print("MIN3 = " .. tostring(colorMin3))
+print("MIN4 = " .. tostring(colorMin4))
+print("3QRT = " .. tostring(threequater))
+
+-- Safe configuration:
+file.remove(configFile .. ".new")
+sec, _ = rtctime.get()
+file.open(configFile.. ".new", "w+")
+file.write("-- Config\n" .. "station_cfg={}\nstation_cfg.ssid=\"" .. ssid .. "\"\nstation_cfg.pwd=\"" .. password .. "\"\nstation_cfg.save=false\nwifi.sta.config(station_cfg)\n")
+file.write("sntpserverhostname=\"" .. sntpserver .. "\"\n" .. "timezoneoffset=\"" .. timezoneoffset .. "\"\n".. "inv46=\"" .. tostring(inv46) .. "\"\n" .. "dim=\"" .. tostring(dim) .. "\"\n")
+
+if (fcolor ~= nil) then
+    local hexColor=string.sub(fcolor, 1)
+    local red = tonumber(string.sub(hexColor, 1, 2), 16)
+    local green = tonumber(string.sub(hexColor, 3, 4), 16)
+    local blue = tonumber(string.sub(hexColor, 5, 6), 16)
+    file.write("color=string.char(" .. green .. "," .. red .. "," .. blue .. ")\n")
+    -- fill the current values
+    color=string.char(green, red, blue)
+end
+if (colorMin1  ~= nil) then
+    local hexColor=string.sub(colorMin1, 1)
+    local red = tonumber(string.sub(hexColor, 1, 2), 16)
+    local green = tonumber(string.sub(hexColor, 3, 4), 16)
+    local blue = tonumber(string.sub(hexColor, 5, 6), 16)
+    file.write("color1=string.char(" .. green .. "," .. red .. "," .. blue .. ")\n")
+    color1=string.char(green, red, blue)
+end
+if ( colorMin2  ~= nil) then
+    local hexColor=string.sub(colorMin2, 1)
+    local red = tonumber(string.sub(hexColor, 1, 2), 16)
+    local green = tonumber(string.sub(hexColor, 3, 4), 16)
+    local blue = tonumber(string.sub(hexColor, 5, 6), 16)
+    file.write("color2=string.char(" .. green .. "," .. red .. "," .. blue .. ")\n")
+    color2=string.char(green, red, blue)
+end
+if ( colorMin3  ~= nil) then
+    local hexColor=string.sub(colorMin3, 1)
+    local red = tonumber(string.sub(hexColor, 1, 2), 16)
+    local green = tonumber(string.sub(hexColor, 3, 4), 16)
+    local blue = tonumber(string.sub(hexColor, 5, 6), 16)
+    file.write("color3=string.char(" .. green .. "," .. red .. "," .. blue .. ")\n")
+    color3=string.char(green, red, blue)
+end
+if ( colorMin4  ~= nil) then
+    local hexColor=string.sub(colorMin4, 1)
+    local red = tonumber(string.sub(hexColor, 1, 2), 16)
+    local green = tonumber(string.sub(hexColor, 3, 4), 16)
+    local blue = tonumber(string.sub(hexColor, 5, 6), 16)
+    file.write("color4=string.char(" .. green .. "," .. red .. "," .. blue .. ")\n")
+    color4=string.char(green, red, blue)
+end
+if ( bcolor  ~= nil) then
+    local hexColor=string.sub(bcolor, 1)
+    local red = tonumber(string.sub(hexColor, 1, 2), 16)
+    local green = tonumber(string.sub(hexColor, 3, 4), 16)
+    local blue = tonumber(string.sub(hexColor, 5, 6), 16)
+    file.write("colorBg=string.char(" .. green .. "," .. red .. "," .. blue .. ")\n")
+    -- fill the current values
+    colorBg=string.char(green, red, blue)
+end
+if (getTime ~= nil) then
+    time = getTime(sec, timezoneoffset)
+    file.write("print(\"Config from " .. time.year .. "-" .. time.month .. "-" .. time.day .. " " .. time.hour .. ":" .. time.minute .. ":" .. time.second .. "\")\n")
+end
+if ( threequater ~= nil) then
+    file.write("threequater=true\n")
+    -- fill the current values
+    threequater=true
+else
+    file.write("threequater=nil\n") -- unset threequater
+    -- fill the current values
+    threequater=nil
+end
+file.close()
+collectgarbage()
+sec=nil
+file.remove(configFile)
+if (file.rename(configFile .. ".new", configFile)) then
+    print("Rename Successfully")
+end
+
+end