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edited by Mengting Qiu
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63 63  
64 64  == 3.1 Required Components ==
65 65  
66 -
67 67  * See FAQ 4.4 for how to update LA66 with the [[OTA Dongle Firmware>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
68 68  * Software: [[OTA_Tool>>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&dl=0]]. Only support Windows now
69 69  
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72 72  
73 73  == 3.2 OTA Update Firmware via Mobile Phone + LA66 ==
74 74  
74 +=== 3.2.1 LA66 upgrade ===
75 75  
76 +The LA66 USB connects to the phone via the USB-Type C adapter.
76 76  
78 +[[image:image-20250214161955-7.png]]
79 +
80 +
81 +After the connection is successful, the phone will pop up a prompt box, check it, and click to "OK".
82 +
83 +(% style="color:red" %)**Note: **(%%)**Some mobile phone models need to manually enable the OTG function to properly identify external devices.**
84 +
85 +[[image:image-20250214162012-8.png]]
86 +
87 +
88 +(% class="wikigeneratedid" id="H-1" %)
89 +Then, the Device Tool will automatically jump to the main interface of the tool.
90 +
91 +(% class="wikigeneratedid" %)
92 +In the upper left corner of the main interface of the software, click (% _mstmutation="1" style="color:blue" %)**"Upgrade Device"**(%%) and select the "(% _mstmutation="1" style="color:blue" %)**LaA66"**(%%) type.
93 +
94 +(% class="wikigeneratedid" %)
95 +[[image:image-20250219095423-2.png]]
96 +
97 +(% class="wikigeneratedid" %)
98 +Follow the steps in order:
99 +
100 +(% class="wikigeneratedid" %)
101 +① Click "SELECT UPGRADE FILE" to choose the firmware to upgrade.
102 +
103 +(% class="wikigeneratedid" %)
104 +② After clicking Start, wait for the LA66 to burn in
105 +
106 +(% class="wikigeneratedid" %)
107 +[[image:image-20250214162029-9.png]]
108 +
109 +(% class="wikigeneratedid" %)
110 +(% style="color:red" %)**Note:**
111 +
112 +(% class="wikigeneratedid" %)
113 +**~1. In order to ensure that the LA66 USB works properly, make sure that there is a corresponding bootloader before updating the firmware.**
114 +
115 +(% class="wikigeneratedid" %)
116 +**2. If you don't have a bootloader, you need to use the "[[Tremo Programmer>>https://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.1.3Howtouploadbootloadertodevice3F]]" software to download it. Click to get [[bootlooder>>url:https://wiki.dragino.com/xwiki/bin/download/Main/BLE%20Bluetooth%20Remote%20Configure/WebHome/LoRa_OTA_Bootloader_v1.4.bin?rev=1.1]]**, **then refer to this [[link>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10.2Updatemethod:A0ForLA66withoutbootloader]] for instructions to burn.**
117 +
118 +
119 +When the upgrade is complete, it will prompt:"**update successfully**".
120 +
121 +[[image:image-20250219100549-3.png||height="484" width="362"]]
122 +
123 +
124 +=== 3.2.2 LB series ===
125 +
126 +* Upgrade of external tools: LA66 USB
127 +[[image:image-20250214161740-1.png]][[image:image-20250214161758-2.png]]
128 +* Before using LA66 as a firmware burning tool for -LB products, you need to burn OTA_DONGLE for LA66 first.
129 +* Click to get [[OTA_DONGLE V1.1.>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/ALF3WtzilGPi-2nOdtQw1Z4/Utility/Sensor%20Manager%20Utility/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]]
130 +
131 +[[image:image-20250219094223-1.png||height="324" width="698"]]
132 +
133 +* Refer to [[Section 3.2.1>>||anchor="H3.2.1LA66upgrade"]] to burn OTA DONGLEV1.1 for LA66.
134 +
135 +
136 +The LA66 USB connects to the phone via the USB-Type c adapter.
137 +
138 +[[image:image-20250214161844-3.png]]
139 +
140 +
141 +After the connection is successful, the phone will pop up a prompt box, check it and click to confirm.
142 +
143 +(% style="color:red" %)**Note:**(%%)**Some models of cell phones require the OTG function of the cell phone system to be enabled manually in order to recognize the external device correctly.**
144 +
145 +[[image:image-20250214161907-4.png]]
146 +
147 +
148 +(% class="wikigeneratedid" id="H-1" %)
149 +Then, the Device Tool will automatically jump to the main interface of the tool.
150 +
151 +(% class="wikigeneratedid" %)
152 +In the upper left corner of the main interface of the software, click (% _mstmutation="1" style="color:blue" %)**"Upgrade Device"**(%%) and select the LB type.
153 +
154 +(% class="wikigeneratedid" %)
155 +[[image:image-20250219100821-4.png]]
156 +
157 +
158 +(% class="wikigeneratedid" %)
159 +Follow the steps in order:
160 +
161 +(% class="wikigeneratedid" %)
162 +① Enter the DUIEI,.
163 +
164 +(% class="wikigeneratedid" %)
165 +② Enter the PIN (**the PIN is the last 8 bytes of APPSKEY, It's 16 characters in total**).
166 +
167 +(% class="wikigeneratedid" %)
168 +③ Select the LoRa frequency to match the original frequency of the node.
169 +
170 +(% class="wikigeneratedid" %)
171 +④ Choose the upgrade file,(% style="color:red" %)**(The firmware upgrade file format only supports .bin files)**
172 +
173 +(% class="wikigeneratedid" %)
174 +⑤ Press the reset button of the device to be upgraded and click "Start".
175 +
176 +(% class="wikigeneratedid" %)
177 +(% style="color:red" %)**Note:**
178 +
179 +(% class="wikigeneratedid" %)
180 +**~1. If you are unable to access the upgrade for an extended period of time, you can perform the device reset step again.**
181 +
182 +(% class="wikigeneratedid" %)
183 +**2. If you do not want to open the cover of the device to be upgraded, you can hold down the ACT key for 5s until the device blinks green. This action is the equivalent of pressing the reset button.**
184 +
185 +[[image:image-20250214161928-5.png]]
186 +
187 +
188 +(% class="wikigeneratedid" id="H-2" %)
189 +When the upgrade is complete, it will prompt:"**update successfully**".
190 +
191 +[[image:image-20250214161941-6.png]]
192 +
193 +
77 77  == 3.3 OTA Update Firmware via PC ==
78 78  
79 79  
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