XBee Cellular
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Customer Release Notes
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Copyright (C) 2017, Digi International

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### Overview:

These release notes document changes made to the XBee Cellular.

### Compatible Hardware:

* Digi XBee Cellular LTE Cat 1

### Links:

[Product Information](https://www.digi.com/lp/digi-xbee-cellular)


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### Release Version:

* 1008 - XBee Cellular LTE Cat 1 Verizon

### Release Date:

* 2017-June-8

### New Features:

* Significant UART performance improvements for data transfer rates.
* Incoming connections now are supported in API mode.
* Close flag is now supported for UDP API mode sockets making API mode sockets
  easier to manage and more available.
* MicroPython ifconfig() interface has changed and programs should now use add
  the config() method for getting and setting network parameters.
* The AN command to set the APN was changed to take affect after AC or CN is 
  executed; a new command OA was added to return the actual value of the APN in
  the modem.

### Bug Fixes (XBCELL):

* 742 Fixed issue where sending a TCP/UDP frame in API mode over 1500 bytes did
  not generate a status frame.
* 1306 ATLA command now returns immediately if the XBee is not on the network.
* 1844 Fixed issue where CI did not correctly report 0x24 when a server did not
  exist.
* 1908 Fixed issue where the TD parameter did not completely ignore RO in 
  transparent mode.
* 2015 Fixed issue where MicroPython was fixed to SSLv3.

### Known Issues / Errata:

* None

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### Release Version:

* 1007 - XBee Cellular LTE Cat 1 Verizon

### Release Date:

* 2017-May-15

### New Features:

* MicroPython!
    * On-module programmability to add local intelligence.
    * Many examples in the Digi MicroPython Programmer Guide.
    * AT commands for managing run-time behavior.
* Digital I/O support.
* Analog Input support.
* Incoming connections in transparent mode.

### Bug Fixes (XBCELL):

* 1278 Fixed issue where DNS lookup command for very long domain names was not
  returning results.
* 1544 Fixed issue where IPv4 transmit options were not handled correctly
  between frames.
* 1842 Fixed issue where large data transmissions lose data in transparent mode
  when operating at 115200 or higher.

### Known Issues / Errata:

* MicroPython ifconfig() interface will change in the next release, and we will
  add a config() method for getting and setting network parameters.

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### Release Version:

* 1006 - XBee Cellular (LTE Verizon)

### Release Date:

* 2017-Feb-3

### New Features:

* Deep sleep mode.
* Pin sleep support.
* Cyclic sleep support.
* Airplane mode sleep support.
* DNS lookup command (ATLA).
* Domain names now supported in DL command.
* Destination phone number moved to P# command.
* Operating Destination Address (ATOD) support.
* SMS UTF-16/UCS-2 encoding support.
* Association blink pattern now matches XBee Wi-Fi.
* Antenna diversity setting.

### Bug Fixes (XBCELL):

* 498 ATCI behavior made consistent when invalid parameters are set.
* 699 Tower connection reliability improved.
* 770 ATAN blocked when second power supply not connected.
* 860 Fixed issue where reboot during OTA update locks modem.
* 861 Fixed issue where firmware locks up on restart when switching into bypass
  mode.
* 868 Fixed issue where Device Cloud socket locks up on disconnect.
* 910 Improved reliability of boot time.
* 923 SSL 3.0 and TLS 1.2 now work.
* 1002 ATCI now returns 0x27 after socket timeout.
* 1048 Fixed issue where cellular component can get stuck when connecting to 
  network.
* 1105 Fixed issue where SMS messages between network providers are lost 
  (related UCS-2 enhancements).
* 1268, 1348 SMS failed for phone numbers starting with "+".
* 1308 Added options for hardware flow control (D6 and D7) to X-CTU 
  configuration file.

### Known Issues / Errata:

* SMS messages sent within 1 minute after network association (AI=0) is 
  established will fail.

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### Release Version:

* 1005 - XBee Cellular (LTE Verizon)

### Release Date:

* 2016-Nov-28

### New Features:

* Initial release

* New features:
	* API & Transparent mode
	* AT command mode
	* By-pass to raw cellular modem
	* SMS
	* TCP/UDP (up to six sockets)
	* TLS/TCP (up to 1 socket)

### Bug Fixes:

* None

### Known Issues / Errata:

* DNS currently requires a raw DNS socket request. Please see Digi support 
  website for XCTU for updates.
* Low power modes not yet supported (coming soon).