diff --git a/src/HeboTech.ATLib.Modems/Adafruit/Fona3G.cs b/src/HeboTech.ATLib.Modems/Adafruit/Fona3G.cs
index ed0e1c3..0b5dc16 100644
--- a/src/HeboTech.ATLib.Modems/Adafruit/Fona3G.cs
+++ b/src/HeboTech.ATLib.Modems/Adafruit/Fona3G.cs
@@ -31,161 +31,5 @@ public override async Task<bool> SetRequiredSettingsAfterPinAsync()
             ModemResponse smsMessageFormat = await SetSmsMessageFormatAsync(SmsTextFormat.PDU).ConfigureAwait(false);
             return currentCharacterSet.Success && smsMessageFormat.Success;
         }
-
-        //public override async Task<ModemResponse<Sms>> ReadSmsAsync(int index, SmsTextFormat smsTextFormat)
-        //{
-        //    switch (smsTextFormat)
-        //    {
-        //        case SmsTextFormat.PDU:
-        //            AtResponse pduResponse = await channel.SendMultilineCommand($"AT+CMGR={index}", null).ConfigureAwait(false);
-
-        //            if (pduResponse.Success)
-        //            {
-        //                string line1 = pduResponse.Intermediates[0];
-        //                var line1Match = Regex.Match(line1, @"\+CMGR:\s(?<status>\d),(""(?<alpha>\w*)"")*,(?<length>\d+)");
-        //                string line2 = pduResponse.Intermediates[1];
-        //                var line2Match = Regex.Match(line2, @"(?<status>[0-9A-Z]*)");
-        //                if (line1Match.Success && line2Match.Success)
-        //                {
-        //                    int statusCode = int.Parse(line1Match.Groups["status"].Value);
-        //                    SmsStatus status = (SmsStatus)statusCode;
-
-        //                    string pdu = line2Match.Groups["status"].Value;
-        //                    SmsDeliver pduMessage = SmsDeliverDecoder.Decode(pdu.ToByteArray());
-
-        //                    return ModemResponse.IsResultSuccess(new Sms(status, pduMessage.SenderNumber, pduMessage.Timestamp, pduMessage.Message));
-        //                }
-        //                if (AtErrorParsers.TryGetError(pduResponse.FinalResponse, out Error pduError))
-        //                    return ModemResponse.HasResultError<Sms>(pduError);
-        //            }
-        //            break;
-        //        case SmsTextFormat.Text:
-        //            AtResponse textResponse = await channel.SendMultilineCommand($"AT+CMGR={index}", null).ConfigureAwait(false);
-
-        //            if (textResponse.Success && textResponse.Intermediates.Count > 0)
-        //            {
-        //                string line = textResponse.Intermediates.First();
-        //                var match = Regex.Match(line, @"\+CMGR:\s""(?<status>[A-Z\s]+)"",""(?<sender>\+\d+)"","""",""(?<received>(?<year>\d\d)/(?<month>\d\d)/(?<day>\d\d),(?<hour>\d\d):(?<minute>\d\d):(?<second>\d\d)(?<zone>[-+]\d\d))"",(?<addressType>\d+),(?<tpduFirstOctet>\d),(?<pid>\d),(?<dcs>\d),(?<serviceCenterAddress>""\+\d+""),(?<serviceCenterAddressType>\d+),(?<length>\d+)");
-        //                if (match.Success)
-        //                {
-        //                    SmsStatus status = SmsStatusHelpers.ToSmsStatus(match.Groups["status"].Value);
-        //                    PhoneNumberDTO sender = new PhoneNumberDTO(match.Groups["sender"].Value);
-        //                    int year = int.Parse(match.Groups["year"].Value);
-        //                    int month = int.Parse(match.Groups["month"].Value);
-        //                    int day = int.Parse(match.Groups["day"].Value);
-        //                    int hour = int.Parse(match.Groups["hour"].Value);
-        //                    int minute = int.Parse(match.Groups["minute"].Value);
-        //                    int second = int.Parse(match.Groups["second"].Value);
-        //                    int zone = int.Parse(match.Groups["zone"].Value);
-
-        //                    int addressType = int.Parse(match.Groups["addressType"].Value);
-        //                    int tpduFirstOctet = int.Parse(match.Groups["tpduFirstOctet"].Value);
-        //                    int protocolIdentifier = int.Parse(match.Groups["pid"].Value);
-        //                    int dataCodingScheme = int.Parse(match.Groups["dcs"].Value);
-        //                    string serviceCenterAddress = match.Groups["serviceCenterAddress"].Value;
-        //                    int serviceCenterAddressType = int.Parse(match.Groups["serviceCenterAddressType"].Value);
-        //                    int length = int.Parse(match.Groups["length"].Value);
-
-        //                    DateTimeOffset received = new DateTimeOffset(2000 + year, month, day, hour, minute, second, TimeSpan.FromMinutes(15 * zone));
-        //                    string message = textResponse.Intermediates.Last();
-
-        //                    CodingScheme dcs = (CodingScheme)dataCodingScheme;
-        //                    if (dcs == CodingScheme.UCS2)
-        //                        message = UCS2.Decode(message);
-
-        //                    return ModemResponse.IsResultSuccess(new Sms(status, sender, received, message));
-        //                }
-        //            }
-        //            if (AtErrorParsers.TryGetError(textResponse.FinalResponse, out Error textError))
-        //                return ModemResponse.HasResultError<Sms>(textError);
-        //            break;
-        //        default:
-        //            throw new NotSupportedException("The format is not supported");
-        //    }
-        //    return ModemResponse.HasResultError<Sms>();
-        //}
-
-        //public override async Task<ModemResponse<List<SmsWithIndex>>> ListSmssAsync(SmsStatus smsStatus)
-        //{
-        //    string command = currentSmsTextFormat switch
-        //    {
-        //        CurrentSmsTextFormat.Text => $"AT+CMGL=\"{SmsStatusHelpers.ToString(smsStatus)}\"",
-        //        CurrentSmsTextFormat.PDU => $"AT+CMGL={(int)smsStatus}",
-        //        _ => throw new Exception("Unknown SMS Text Format")
-        //    };
-
-        //    AtResponse response = await channel.SendMultilineCommand(command, null).ConfigureAwait(false);
-
-        //    List<SmsWithIndex> smss = new List<SmsWithIndex>();
-        //    if (response.Success)
-        //    {
-        //        switch (currentSmsTextFormat)
-        //        {
-        //            case CurrentSmsTextFormat.PDU:
-        //                if ((response.Intermediates.Count % 2) != 0)
-        //                    return ModemResponse.HasResultError<List<SmsWithIndex>>();
-
-        //                for (int i = 0; i < response.Intermediates.Count; i += 2)
-        //                {
-        //                    string metaDataLine = response.Intermediates[i];
-        //                    string messageLine = response.Intermediates[i + 1];
-        //                    var match = Regex.Match(metaDataLine, @"\+CMGL:\s(?<index>\d+),(?<status>\d+),"""",(?<length>\d+)");
-        //                    if (match.Success)
-        //                    {
-        //                        int index = int.Parse(match.Groups["index"].Value);
-        //                        SmsStatus status = (SmsStatus)int.Parse(match.Groups["status"].Value);
-
-        //                        // Sent when AT+CSDH=1 is set
-        //                        int length = int.Parse(match.Groups["length"].Value);
-
-        //                        SmsDeliver sms = SmsDeliverDecoder.Decode(messageLine.ToByteArray());
-        //                        smss.Add(new SmsWithIndex(index, status, sms.SenderNumber, sms.Timestamp, sms.Message));
-        //                    }
-        //                }
-        //                break;
-        //            case CurrentSmsTextFormat.Text:
-        //                if ((response.Intermediates.Count % 2) != 0)
-        //                    return ModemResponse.HasResultError<List<SmsWithIndex>>();
-
-        //                for (int i = 0; i < response.Intermediates.Count; i += 2)
-        //                {
-        //                    string metaDataLine = response.Intermediates[i];
-        //                    string messageLine = response.Intermediates[i + 1];
-        //                    var match = Regex.Match(metaDataLine, @"\+CMGL:\s(?<index>\d+),""(?<status>[A-Z\s]+)"",""(?<sender>\+*\d+)"","""",""(?<received>(?<year>\d\d)/(?<month>\d\d)/(?<day>\d\d),(?<hour>\d\d):(?<minute>\d\d):(?<second>\d\d)(?<zone>[-+]\d\d))"",(?<addressType>\d+),(?<tpduFirstOctet>\d),(?<pid>\d),(?<dcs>\d),(?<serviceCenterAddress>""\+\d+""),(?<serviceCenterAddressType>\d+),(?<length>\d+)");
-        //                    if (match.Success)
-        //                    {
-        //                        int index = int.Parse(match.Groups["index"].Value);
-        //                        SmsStatus status = SmsStatusHelpers.ToSmsStatus(match.Groups["status"].Value);
-        //                        PhoneNumberDTO sender = new PhoneNumberDTO(match.Groups["sender"].Value);
-        //                        int year = int.Parse(match.Groups["year"].Value);
-        //                        int month = int.Parse(match.Groups["month"].Value);
-        //                        int day = int.Parse(match.Groups["day"].Value);
-        //                        int hour = int.Parse(match.Groups["hour"].Value);
-        //                        int minute = int.Parse(match.Groups["minute"].Value);
-        //                        int second = int.Parse(match.Groups["second"].Value);
-        //                        int zone = int.Parse(match.Groups["zone"].Value);
-
-        //                        // Sent when AT+CSDH=1 is set
-        //                        int addressType = int.Parse(match.Groups["addressType"].Value);
-        //                        int dataLength = int.Parse(match.Groups["length"].Value);
-
-        //                        DateTimeOffset received = new DateTimeOffset(2000 + year, month, day, hour, minute, second, TimeSpan.FromMinutes(15 * zone));
-
-        //                        string message = messageLine;
-        //                        if (messageLine.Length != dataLength)
-        //                            message = UCS2.Decode(messageLine);
-
-        //                        smss.Add(new SmsWithIndex(index, status, sender, received, message));
-        //                    }
-        //                }
-        //                break;
-        //            case CurrentSmsTextFormat.Unknown:
-        //                break;
-        //            default:
-        //                break;
-        //        }
-        //    }
-        //    return ModemResponse.IsResultSuccess(smss);
-        //}
     }
 }