diff --git a/.github/workflows/chef.yaml b/.github/workflows/chef.yaml
index 4b625f7ecff136..27dba6b9f0b8ac 100644
--- a/.github/workflows/chef.yaml
+++ b/.github/workflows/chef.yaml
@@ -122,7 +122,7 @@ jobs:
                 platform: telink
             - name: Update Zephyr to specific revision (for developers purpose)
               shell: bash
-              run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py 80ba99a8fd90427d10513255c25104d8ea94b3b1"
+              run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py a207b2cbc7d12de37d75b45b5025e8035bbc4bac"
             - name: CI Examples Telink
               shell: bash
               run: |
diff --git a/.github/workflows/examples-telink.yaml b/.github/workflows/examples-telink.yaml
index 63a79ba08bfa17..44813a22e7ab35 100644
--- a/.github/workflows/examples-telink.yaml
+++ b/.github/workflows/examples-telink.yaml
@@ -71,7 +71,7 @@ jobs:
                 gh-context: ${{ toJson(github) }}
 
             - name: Update Zephyr to specific revision (for developers purpose)
-              run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py 80ba99a8fd90427d10513255c25104d8ea94b3b1"
+              run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py a207b2cbc7d12de37d75b45b5025e8035bbc4bac"
 
             - name: Build example Telink (B92 retention) Air Quality Sensor App
               # Run test for master and s07641069 PRs
diff --git a/config/telink/chip-module/Kconfig.defaults b/config/telink/chip-module/Kconfig.defaults
index 72c1331bc0a09c..63cd4985950d75 100644
--- a/config/telink/chip-module/Kconfig.defaults
+++ b/config/telink/chip-module/Kconfig.defaults
@@ -83,7 +83,7 @@ config HEAP_MEM_POOL_SIZE
     default 1280
 
 config COMMON_LIBC_MALLOC_ARENA_SIZE
-    default 20716 if SOC_RISCV_TELINK_TL321X || SOC_SERIES_RISCV_TELINK_B9X_RETENTION
+    default 20716 if  SOC_SERIES_RISCV_TELINK_B9X_RETENTION
     default 12288
 
 config NET_IPV6_MLD
@@ -96,19 +96,21 @@ config NET_IF_MCAST_IPV6_ADDR_COUNT
 
 # Network buffers
 config NET_PKT_RX_COUNT
-    default 4 if PM
+    default 4 if PM || SOC_RISCV_TELINK_TL321X
     default 8
 
 config NET_PKT_TX_COUNT
-    default 4 if PM
+    default 4 if PM || SOC_RISCV_TELINK_TL321X
     default 8
 
 config NET_BUF_RX_COUNT
     default 4 if PM
+    default 16 if SOC_RISCV_TELINK_TL321X
     default 32
 
 config NET_BUF_TX_COUNT
     default 4 if PM
+    default 16 if SOC_RISCV_TELINK_TL321X
     default 32
 
 config GPIO