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=====Replacing a SIM card in a suga blu unit=====

If the Baton does not communicate the most common cause is that the SIM card is not working anymore. 

====What do the lights mean at the back.====
=== After clocking a point ===
  * Green flashing, point clocked correctly
  * blue flashing, battery low
  * Yellow flash, moisture detected
===When on the charger===
  * Green on solid, baton finished charging
  * blue flashing, baton is charging
===During idle mode===
  * blue or white flashing, unit has not been able to communivcate with local network for more than 4 mins
  * red flashing, unit has not been able to communicate with local network for more than 20 mins

Before replacing the SIM card please ensure the unit has been place on a charger overnight so that it is fully charged. **Wait for no lights to be flashing before opening the unit.**

====The following needs to be done to replace the SIM card in a Suga Blu unit.====
  * Open the baton
  * Take out the board
  * Replace the SIM card
  * Place the board in a casing
  * Set the APN details of the SIM card
  * Test the baton to make sure its working
  * Seal the new casing

===Open the baton===
The baton has been designed to be replaced once opened. However if you do not have access to a new casing you can open the baton carefully and temporarily use the same baton casing when finished. Gently use a plumbing pliers to squeeze the baton near the front where it is attached and break the glue by gently squeezing and turning.

===Take out the board===
Remove the board carefully, take note of the orientation the board is in and try not to snag any cables.

===Replace the SIM card===
Remove the glue from the SIM card. Do not lift the SIM card off the board as the holder will be damaged. Once the glue has been removed pushing the SIM card in will take it out. A new SIM card can be pushed in place of the old one.

===Place the board in a casing===
Place the board back in a casing. Ensure the board slides along the rails made for it. The LED at the back should be facing the keying.

===Set the APN of the SIM card===
Some SIM providers Like Vodacom in South Africa do not need the APN set. Other usually do. This will be done by sending a specially crafted SMS to the device and waking it up. {{:tech:magcell_sms.pdf|}}
==For the SMS you need==
  * The serial code on the back of your baton "A00123"
  * The cell phone number of the SIM in the baton
  * The APN details of the Service providor "internet"
Send the unit a message via sms formatted as follows. After sending the SMS wake the unit up by clocking a point. "Magcell" is case sensitive
  Magcell:A00123:*:*:*:internet:*:*:*:*

===Test the baton to make sure its working===
Login to the server, go to Signals report and use the serial number to see any signals sent by the device. You can also go to your profile and refresh the page to see if the unit is communicating with the server.

===Seal the new casing===
We provide a special sealer for the batons, however super glue can be used in a pinch. If you are reusing the casing temporarily tape will also work. We have found that Self Amalgamating rubber tape will still keep the baton sealed.