# SonOff ZigBee Bridge Pro not adding more than 12 devices **URL:** \ **Category:** Free discussion\ **Created:** [April 3, 2023, 11:01am UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076 "2023-04-03T11:01:49Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![jenisthomas](https://avatars.discourse-cdn.com/v4/letter/j/a3d4f5/32.png) [@jenisthomas](https://forum.ewelink.cc/u/jenisthomas)\ **Post date:** [April 3, 2023, 11:01am UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/1 "2023-04-03T11:01:50Z")
SonOff ZigBee Bridge Pro not not allowing topper more than 12 device. I have bought 2 SonOff ZigBee Bridge Pro . One I could add 11 devices. Another I could add 12. Not anymore Does anyone have similar experiences or known fix? ---
**Author:** ![Teki](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.ewelink.cc/teki/32/1161_2.png) [@Teki](https://forum.ewelink.cc/u/Teki)\ **Post date:** [April 6, 2023, 3:18am UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/2 "2023-04-06T03:18:06Z")
It supports adding up to 128 devices for those can’t added devices, are they SONOFF zigbee products? ---
**Author:** ![jenisthomas](https://avatars.discourse-cdn.com/v4/letter/j/a3d4f5/32.png) [@jenisthomas](https://forum.ewelink.cc/u/jenisthomas)\ **Post date:** [April 12, 2023, 12:52pm UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/3 "2023-04-12T12:52:46Z")
yes, all of them are Sonoff door sensors. Documentation states, “Add up to 26 end devices and up to 128 devices in total for the gateway” ---
**Author:** ![jenisthomas](https://avatars.discourse-cdn.com/v4/letter/j/a3d4f5/32.png) [@jenisthomas](https://forum.ewelink.cc/u/jenisthomas)\ **Post date:** [April 13, 2023, 7:25am UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/4 "2023-04-13T07:25:06Z")
Found the following documentation from ITEAD product list. This is consistent with the behaviour I have seen. Without a Zigbee bridge added, its only 10 end devices. NOTE: ZB Bridge-P can connect 26 sub-devices directly (10 end devices + 16 routers, or 26 routers). If you want to connect to 128 sub-devices, routers are required, and one router-device can expand to connect 20-32 sub-devices. ---
**Author:** ![gmerlet](https://avatars.discourse-cdn.com/v4/letter/g/3ab097/32.png) [@gmerlet](https://forum.ewelink.cc/u/gmerlet)\ **Post date:** [April 21, 2023, 3:33am UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/5 "2023-04-21T03:33:00Z")
what devices are routers zigbee? do you now if ZBMINI Extreme L2 Zigbee is? ---
**Author:** ![jam3](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.ewelink.cc/jam3/32/7918_2.png) [@jam3](https://forum.ewelink.cc/u/jam3)\ **Post date:** [April 21, 2023, 8:29am UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/6 "2023-04-21T08:29:19Z")
ZBMINI is a router, but ZBMINI-L or ZBMINI-L2 are not. They’re end devices. Other routers are, for example, S26R2ZB or Ikea’s Tradfri bulbs. Most power operated devices may serve as ZigBee routers. However, you must be careful with those called “no neutral required” (like wall switches) because from technical point of view they’re not power operated (end devices). ---
**Author:** ![verner](https://avatars.discourse-cdn.com/v4/letter/v/34f0e0/32.png) [@verner](https://forum.ewelink.cc/u/verner)\ **Post date:** [January 18, 2024, 8:25pm UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/7 "2024-01-18T20:25:22Z")
Yes I have the same problem, new firmware and factory reset did not help ☹ paring more then 12 devices is failing and Bridge can find and paring is gonig to fail. Please help I am going to buy more that 50 TVRZB devices … need to sort this problem out before buy! ---
**Author:** ![ociepa.ekotox](https://avatars.discourse-cdn.com/v4/letter/o/c68b51/32.png) [@ociepa.ekotox](https://forum.ewelink.cc/u/ociepa.ekotox)\ **Post date:** [January 18, 2024, 8:38pm UTC](https://forum.ewelink.cc/t/sonoff-zigbee-bridge-pro-not-adding-more-than-12-devices/16076/8 "2024-01-18T20:38:01Z")
you need to purchase about 5 - 7 devices that act as a router. (e.g. MINIR2, BASICZBR3, SNZB-06P)