#### first connection update (ongoing connection interval is connInterval: 48.75 ms) 36,598 0x88d1351e 0x0003 1 LL_CONNECTION_UPDATE_REQ 0x0009 30 00:00:00.048520 9/10/2015 4:27:46.817098 PM Control Pkt: LL_CONNECTION_UPDATE_REQ transmitWindowSize: 2.50 ms transmitWindowOffset: 6.25 ms connInterval: 7.50 ms connSlaveLatency: 0 connSupervisionTimeout: 20000 ms connInstant: 0x0009 FRAME CH ACCESS ADD EVT CNT Sede LLID NESN SN MD 36,598 32 0x88d1351e 0x0003 1 Control 0 0 0 LL_CONNECTION_UPDATE_REQ 12 30 00:00:00.048520 9/10/2015 4:27:46.817098 PM 36,599 32 0x88d1351e 0x0003 2 Empty 1 0 0 0 18 00:00:00.000326 9/10/2015 4:27:46.817424 PM 36,625 3 0x88d1351e 0x0004 1 Start 1 1 1 11 29 00:00:00.048423 9/10/2015 4:27:46.865847 PM 36,626 3 0x88d1351e 0x0004 2 Empty 0 1 0 0 18 00:00:00.000319 9/10/2015 4:27:46.866166 PM 36,627 3 0x88d1351e 0x0004 1 Start 0 0 0 11 29 00:00:00.000232 9/10/2015 4:27:46.866398 PM 36,664 11 0x88d1351e 0x0005 1 Start 0 0 0 11 29 00:00:00.048199 9/10/2015 4:27:46.914597 PM 36,665 11 0x88d1351e 0x0005 2 Start 1 0 0 24 42 00:00:00.000318 9/10/2015 4:27:46.914915 PM 36,698 19 0x88d1351e 0x0006 1 Start 1 1 0 11 29 00:00:00.048432 9/10/2015 4:27:46.963347 PM 36,699 19 0x88d1351e 0x0006 2 Start 0 1 0 11 29 00:00:00.000319 9/10/2015 4:27:46.963666 PM 36,743 27 0x88d1351e 0x0007 1 Start 0 0 0 21 39 00:00:00.048431 9/10/2015 4:27:47.012097 PM 36,744 27 0x88d1351e 0x0007 2 Start 1 0 0 26 44 00:00:00.000399 9/10/2015 4:27:47.012496 PM 36,772 35 0x88d1351e 0x0008 1 Start 1 1 0 11 29 00:00:00.048351 9/10/2015 4:27:47.060847 PM 36,773 35 0x88d1351e 0x0008 2 Start 0 1 0 21 39 00:00:00.000319 9/10/2015 4:27:47.061166 PM 36,809 6 0x88d1351e 0x0009 1 Start 0 0 0 21 39 00:00:00.055931 9/10/2015 4:27:47.117097 PM 36,810 6 0x88d1351e 0x0009 2 Start 1 0 0 18 36 00:00:00.000398 9/10/2015 4:27:47.117495 PM 36,813 14 0x88d1351e 0x000a 1 Start 1 1 0 11 29 00:00:00.007102 9/10/2015 4:27:47.124597 PM 36,815 14 0x88d1351e 0x000a 2 Start 0 1 0 21 39 00:00:00.000318 9/10/2015 4:27:47.124915 PM 36,818 22 0x88d1351e 0x000b 1 Empty 0 0 0 0 18 00:00:00.007182 9/10/2015 4:27:47.132097 PM 36,820 22 0x88d1351e 0x000b 2 Start 1 0 0 9 27 00:00:00.000230 9/10/2015 4:27:47.132327 PM 36,828 30 0x88d1351e 0x000c 1 Control 1 1 0 LL_ENC_REQ 23 41 00:00:00.007270 9/10/2015 4:27:47.139597 PM 36,829 30 0x88d1351e 0x000c 2 Empty 0 1 0 0 18 00:00:00.000414 9/10/2015 4:27:47.140011 PM -->OK; no gap between 36,809 and 36,813; it is sent on first connection event with new params #### SECOND 37,273 0x88d1351e 0x0054 M LL_CONNECTION_UPDATE_REQ 0x005a 34 00:00:00.502266 9/10/2015 4:27:47.679592 PM Control Pkt: LL_CONNECTION_UPDATE_REQ transmitWindowSize: 2.50 ms transmitWindowOffset: 17.50 ms connInterval: 48.75 ms connSlaveLatency: 0 connSupervisionTimeout: 20000 ms connInstant: 0x005a 37,273 14 0x88d1351e 0x0054 M Control 1 1 0 LL_CONNECTION_UPDATE_REQ 16 34 00:00:00.007270 9/10/2015 4:27:47.679592 PM 37,274 14 0x88d1351e 0x0054 2 Empty 0 1 0 0 18 00:00:00.000357 9/10/2015 4:27:47.679949 PM 37,276 22 0x88d1351e 0x0055 1 Empty 0 0 0 0 18 00:00:00.007143 9/10/2015 4:27:47.687092 PM 37,277 22 0x88d1351e 0x0055 2 Empty 1 0 0 0 18 00:00:00.000229 9/10/2015 4:27:47.687321 PM 37,279 30 0x88d1351e 0x0056 1 Empty 1 1 0 0 18 00:00:00.007271 9/10/2015 4:27:47.694592 PM 37,280 30 0x88d1351e 0x0056 2 Empty 0 1 0 0 18 00:00:00.000229 9/10/2015 4:27:47.694821 PM 37,282 1 0x88d1351e 0x0057 1 Empty 0 0 0 0 18 00:00:00.007271 9/10/2015 4:27:47.702092 PM 37,283 1 0x88d1351e 0x0057 2 Empty 1 0 0 0 18 00:00:00.000229 9/10/2015 4:27:47.702321 PM 37,293 9 0x88d1351e 0x0058 1 Empty 1 1 0 0 18 00:00:00.007270 9/10/2015 4:27:47.709591 PM 37,294 9 0x88d1351e 0x0058 2 Empty 0 1 0 0 18 00:00:00.000230 9/10/2015 4:27:47.709821 PM 37,297 17 0x88d1351e 0x0059 1 Empty 0 0 0 0 18 00:00:00.007270 9/10/2015 4:27:47.717091 PM 37,298 17 0x88d1351e 0x0059 2 Empty 1 0 0 0 18 00:00:00.000230 9/10/2015 4:27:47.717321 PM 37,314 25 0x88d1351e 0x005a 1 Empty 1 1 0 0 18 00:00:00.026020 9/10/2015 4:27:47.743341 PM 37,315 25 0x88d1351e 0x005a 2 Empty 0 1 0 0 18 00:00:00.000230 9/10/2015 4:27:47.743571 PM 37,346 33 0x88d1351e 0x005b 1 Empty 0 0 0 0 18 00:00:00.048520 9/10/2015 4:27:47.792091 PM 37,347 33 0x88d1351e 0x005b 2 Empty 1 0 0 0 18 00:00:00.000230 9/10/2015 4:27:47.792321 PM 37,373 4 0x88d1351e 0x005c 1 Empty 1 1 0 0 18 00:00:00.048520 9/10/2015 4:27:47.840841 PM 37,374 4 0x88d1351e 0x005c 2 Empty 0 1 0 0 18 00:00:00.000230 9/10/2015 4:27:47.841071 PM -->OK; no gap between 37,314 and 37,346; it is sent on first connection event with new params ###### 3rd 40,168 0x88d1351e 0x00ac M LL_CONNECTION_UPDATE_REQ 0x00b2 34 00:00:04.061224 9/10/2015 4:27:51.740816 PM Control Pkt: LL_CONNECTION_UPDATE_REQ transmitWindowSize: 2.50 ms transmitWindowOffset: 13.75 ms connInterval: 108.75 ms connSlaveLatency: 4 connSupervisionTimeout: 6000 ms connInstant: 0x00b2 40,168 15 0x88d1351e 0x00ac M Control 1 1 0 LL_CONNECTION_UPDATE_REQ 16 34 00:00:00.048519 9/10/2015 4:27:51.740816 PM 40,170 15 0x88d1351e 0x00ac 2 Empty 0 1 0 0 18 00:00:00.000358 9/10/2015 4:27:51.741174 PM 40,212 23 0x88d1351e 0x00ad M Start 0 0 0 14 32 00:00:00.048392 9/10/2015 4:27:51.789566 PM 40,213 23 0x88d1351e 0x00ad 2 Empty 1 0 0 0 18 00:00:00.000342 9/10/2015 4:27:51.789908 PM 40,242 31 0x88d1351e 0x00ae 1 Empty 1 1 0 0 18 00:00:00.048408 9/10/2015 4:27:51.838316 PM 40,244 31 0x88d1351e 0x00ae 2 Empty 0 1 0 0 18 00:00:00.000230 9/10/2015 4:27:51.838546 PM 40,276 2 0x88d1351e 0x00af 1 Empty 0 0 0 0 18 00:00:00.048519 9/10/2015 4:27:51.887065 PM 40,277 2 0x88d1351e 0x00af 2 Empty 1 0 0 0 18 00:00:00.000229 9/10/2015 4:27:51.887294 PM 40,339 18 0x88d1351e 0x00b1 1 Empty 1 1 0 0 18 00:00:00.097270 9/10/2015 4:27:51.984564 PM 40,373 26 0x88d1351e 0x00b2 1 Empty 1 1 0 0 18 00:00:00.064999 9/10/2015 4:27:52.049563 PM --> 40,374 26 0x88d1351e 0x00b2 2 Empty 0 1 0 0 18 00:00:00.000230 9/10/2015 4:27:52.049793 PM 40,887 8 0x88d1351e 0x00b9 1 Empty 0 0 0 0 18 00:00:00.759763 9/10/2015 4:27:52.809556 PM 40,952 16 0x88d1351e 0x00ba 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:52.918306 PM 41,023 24 0x88d1351e 0x00bb 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:53.027055 PM 41,088 32 0x88d1351e 0x00bc 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:53.135805 PM 41,150 3 0x88d1351e 0x00bd 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:53.244554 PM 41,248 11 0x88d1351e 0x00be 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:53.353304 PM 41,319 19 0x88d1351e 0x00bf 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:53.462053 PM 41,386 27 0x88d1351e 0x00c0 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:53.570802 PM 41,466 35 0x88d1351e 0x00c1 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:53.679552 PM 41,540 6 0x88d1351e 0x00c2 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:53.788301 PM 41,615 14 0x88d1351e 0x00c3 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:53.897050 PM 41,685 22 0x88d1351e 0x00c4 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:54.005799 PM 41,737 30 0x88d1351e 0x00c5 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:54.114548 PM 41,811 1 0x88d1351e 0x00c6 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:54.223298 PM 41,877 9 0x88d1351e 0x00c7 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:54.332047 PM 41,934 17 0x88d1351e 0x00c8 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:54.440796 PM 42,006 25 0x88d1351e 0x00c9 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:54.549546 PM 42,071 33 0x88d1351e 0x00ca 1 Empty 0 0 0 0 18 00:00:00.108748 9/10/2015 4:27:54.658294 PM 42,151 4 0x88d1351e 0x00cb 1 Empty 0 0 0 0 18 00:00:00.108748 9/10/2015 4:27:54.767042 PM 42,221 12 0x88d1351e 0x00cc 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:54.875791 PM 42,281 20 0x88d1351e 0x00cd 1 Empty 0 0 0 0 18 00:00:00.108748 9/10/2015 4:27:54.984539 PM 42,362 28 0x88d1351e 0x00ce 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:55.093288 PM 42,438 36 0x88d1351e 0x00cf 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:55.202038 PM 42,495 7 0x88d1351e 0x00d0 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:55.310787 PM 42,566 15 0x88d1351e 0x00d1 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:55.419537 PM 42,635 23 0x88d1351e 0x00d2 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:55.528286 PM 42,705 31 0x88d1351e 0x00d3 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:55.637036 PM 42,793 2 0x88d1351e 0x00d4 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:55.745785 PM 42,852 10 0x88d1351e 0x00d5 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:55.854535 PM 42,928 18 0x88d1351e 0x00d6 1 Empty 0 0 0 0 18 00:00:00.108748 9/10/2015 4:27:55.963283 PM 43,019 26 0x88d1351e 0x00d7 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:56.072032 PM 43,088 34 0x88d1351e 0x00d8 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:56.180781 PM 43,148 5 0x88d1351e 0x00d9 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:56.289531 PM 43,210 13 0x88d1351e 0x00da 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:56.398280 PM 43,283 21 0x88d1351e 0x00db 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:56.507030 PM 43,367 29 0x88d1351e 0x00dc 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:56.615780 PM 43,430 0 0x88d1351e 0x00dd 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:56.724529 PM 43,494 8 0x88d1351e 0x00de 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:56.833278 PM 43,593 16 0x88d1351e 0x00df 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:56.942027 PM --> first ACK 43,594 16 0x88d1351e 0x00df 2 Empty 1 0 0 0 18 00:00:00.000230 9/10/2015 4:27:56.942257 PM 43,673 24 0x88d1351e 0x00e0 M Start 1 1 0 17 35 00:00:00.108520 9/10/2015 4:27:57.050777 PM 43,757 32 0x88d1351e 0x00e1 M Start 1 1 0 17 35 00:00:00.108748 9/10/2015 4:27:57.159525 PM 43,826 3 0x88d1351e 0x00e2 M Start 1 1 0 17 35 00:00:00.108748 9/10/2015 4:27:57.268273 PM 43,909 11 0x88d1351e 0x00e3 M Start 1 1 0 17 35 00:00:00.108749 9/10/2015 4:27:57.377022 PM 43,989 19 0x88d1351e 0x00e4 M Start 1 1 0 17 35 00:00:00.108749 9/10/2015 4:27:57.485771 PM 43,990 19 0x88d1351e 0x00e4 2 Empty 0 1 0 0 18 00:00:00.000366 9/10/2015 4:27:57.486137 PM 44,089 27 0x88d1351e 0x00e5 1 Empty 0 0 0 0 18 00:00:00.108383 9/10/2015 4:27:57.594520 PM 44,090 27 0x88d1351e 0x00e5 S Start 1 0 0 16 34 00:00:00.000231 9/10/2015 4:27:57.594751 PM 44,170 35 0x88d1351e 0x00e6 1 Empty 1 1 0 0 18 00:00:00.108519 9/10/2015 4:27:57.703270 PM 44,171 35 0x88d1351e 0x00e6 2 Empty 0 1 0 0 18 00:00:00.000230 9/10/2015 4:27:57.703500 PM 44,270 6 0x88d1351e 0x00e7 1 Empty 0 0 0 0 18 00:00:00.108518 9/10/2015 4:27:57.812018 PM 44,355 14 0x88d1351e 0x00e8 1 Empty 0 0 0 0 18 00:00:00.108750 9/10/2015 4:27:57.920768 PM 44,434 22 0x88d1351e 0x00e9 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:58.029517 PM 44,520 30 0x88d1351e 0x00ea 1 Empty 0 0 0 0 18 00:00:00.108748 9/10/2015 4:27:58.138265 PM 44,595 1 0x88d1351e 0x00eb 1 Empty 0 0 0 0 18 00:00:00.108749 9/10/2015 4:27:58.247014 PM 44,596 1 0x88d1351e 0x00eb 2 Empty 1 0 0 0 18 00:00:00.000230 9/10/2015 4:27:58.247244 PM --> here there is no link timeout BUT there is a GAP of 00.759763 sec between 40,374 and 40,887 (first packet sent by master) as a consequence somewhow Nordic side is not ack immediately... and first ack is sent after 5 seconds at 43,594 (link timeout is 6 seconds) ##### on 4th conn update 62,331 0x88d1351e 0x01c7 M LL_CONNECTION_UPDATE_REQ 0x01e5 34 00:00:30.431738 9/10/2015 4:28:22.172554 PM Control Pkt: LL_CONNECTION_UPDATE_REQ transmitWindowSize: 2.50 ms transmitWindowOffset: 36.25 ms connInterval: 37.50 ms connSlaveLatency: 0 connSupervisionTimeout: 1000 ms connInstant: 0x01e5 64,571 16 0x88d1351e 0x01e2 M Start 0 1 1 31 49 00:00:00.103779 9/10/2015 4:28:25.108074 PM 64,572 16 0x88d1351e 0x01e2 2 Empty 0 0 0 0 18 00:00:00.000478 9/10/2015 4:28:25.108552 PM 64,573 16 0x88d1351e 0x01e2 M Start 1 0 1 31 49 00:00:00.000232 9/10/2015 4:28:25.108784 PM 64,574 16 0x88d1351e 0x01e2 2 Empty 1 1 0 0 18 00:00:00.000478 9/10/2015 4:28:25.109262 PM 64,575 16 0x88d1351e 0x01e2 M Start 0 1 1 31 49 00:00:00.000232 9/10/2015 4:28:25.109494 PM 64,577 16 0x88d1351e 0x01e2 2 Empty 0 0 0 0 18 00:00:00.000478 9/10/2015 4:28:25.109972 PM 64,578 16 0x88d1351e 0x01e2 M Start 1 0 1 31 49 00:00:00.000232 9/10/2015 4:28:25.110204 PM 64,579 16 0x88d1351e 0x01e2 2 Empty 1 1 0 0 18 00:00:00.000478 9/10/2015 4:28:25.110682 PM 64,580 16 0x88d1351e 0x01e2 M Start 0 1 1 31 49 00:00:00.000232 9/10/2015 4:28:25.110914 PM 64,582 16 0x88d1351e 0x01e2 2 Empty 0 0 0 0 18 00:00:00.000478 9/10/2015 4:28:25.111392 PM 64,583 16 0x88d1351e 0x01e2 M Start 1 0 1 31 49 00:00:00.000232 9/10/2015 4:28:25.111624 PM 64,584 16 0x88d1351e 0x01e2 2 Empty 1 1 0 0 18 00:00:00.000478 9/10/2015 4:28:25.112102 PM 64,585 16 0x88d1351e 0x01e2 M Start 0 1 1 31 49 00:00:00.000232 9/10/2015 4:28:25.112334 PM 64,586 16 0x88d1351e 0x01e2 2 Empty 1 0 0 0 18 00:00:00.000478 9/10/2015 4:28:25.112812 PM 64,587 16 0x88d1351e 0x01e2 M Start 1 1 1 31 49 00:00:00.000232 9/10/2015 4:28:25.113044 PM 64,660 24 0x88d1351e 0x01e3 M Start 1 1 1 31 49 00:00:00.103780 9/10/2015 4:28:25.216824 PM 64,661 24 0x88d1351e 0x01e3 2 Empty 0 1 0 0 18 00:00:00.000478 9/10/2015 4:28:25.217302 PM 64,662 24 0x88d1351e 0x01e3 M Start 0 0 1 31 49 00:00:00.000231 9/10/2015 4:28:25.217533 PM 64,663 24 0x88d1351e 0x01e3 2 Empty 1 0 0 0 18 00:00:00.000479 9/10/2015 4:28:25.218012 PM 64,664 24 0x88d1351e 0x01e3 M Start 1 1 1 31 49 00:00:00.000231 9/10/2015 4:28:25.218243 PM 64,665 24 0x88d1351e 0x01e3 2 Empty 0 1 0 0 18 00:00:00.000479 9/10/2015 4:28:25.218722 PM 64,666 24 0x88d1351e 0x01e3 M Start 0 0 0 31 49 00:00:00.000231 9/10/2015 4:28:25.218953 PM 64,667 24 0x88d1351e 0x01e3 2 Empty 1 0 0 0 18 00:00:00.000479 9/10/2015 4:28:25.219432 PM 64,741 32 0x88d1351e 0x01e4 1 Empty 1 1 0 0 18 00:00:00.106140 9/10/2015 4:28:25.325572 PM 64,742 32 0x88d1351e 0x01e4 S Start 0 1 0 13 31 00:00:00.000230 9/10/2015 4:28:25.325802 PM --> 64,845 3 0x88d1351e 0x01e5 M Start 0 0 1 31 49 00:00:00.147270 9/10/2015 4:28:25.473072 PM 64,846 3 0x88d1351e 0x01e5 2 Empty 1 0 0 0 18 00:00:00.000478 9/10/2015 4:28:25.473550 PM 64,847 3 0x88d1351e 0x01e5 M Start 1 1 1 31 49 00:00:00.000232 9/10/2015 4:28:25.473782 PM 65,310 28 0x88d1351e 0x01f6 M Start 1 1 1 31 49 00:00:00.635537 9/10/2015 4:28:26.109319 PM 65,337 36 0x88d1351e 0x01f7 M Start 1 1 1 31 49 00:00:00.037499 9/10/2015 4:28:26.146818 PM 65,358 7 0x88d1351e 0x01f8 M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.184318 PM 65,387 15 0x88d1351e 0x01f9 M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.221818 PM 65,420 23 0x88d1351e 0x01fa M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.259318 PM 65,443 31 0x88d1351e 0x01fb M Start 1 1 1 31 49 00:00:00.037499 9/10/2015 4:28:26.296817 PM 65,468 2 0x88d1351e 0x01fc M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.334317 PM 65,496 10 0x88d1351e 0x01fd M Start 1 1 1 31 49 00:00:00.037499 9/10/2015 4:28:26.371816 PM 65,518 18 0x88d1351e 0x01fe M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.409316 PM 65,541 26 0x88d1351e 0x01ff M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.446816 PM 65,570 34 0x88d1351e 0x0200 M Start 1 1 1 31 49 00:00:00.037499 9/10/2015 4:28:26.484315 PM 65,630 13 0x88d1351e 0x0202 M Start 1 1 1 31 49 00:00:00.075000 9/10/2015 4:28:26.559315 PM --> nordic start to ADV again since detected link timeout 65,632 37 ADV_IND (rand) 0xfa61868f54f2 35 53 00:00:39.947122 9/10/2015 4:28:26.570075 PM 65,669 21 0x88d1351e 0x0203 M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.596815 PM 65,700 29 0x88d1351e 0x0204 M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.634315 PM 65,728 0 0x88d1351e 0x0205 M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.671815 PM 65,757 8 0x88d1351e 0x0206 M Start 1 1 1 31 49 00:00:00.037499 9/10/2015 4:28:26.709314 PM 65,786 16 0x88d1351e 0x0207 M Start 1 1 1 31 49 00:00:00.037500 9/10/2015 4:28:26.746814 PM Here same symptoms of 3rd reconn, the phone side is sending packet with a gap between conn evt to apply new param and first packet sent (that is not sent on first connection event after applying new param). As consequence Nordic is not ack immediately and since link timeout is 1 seconds Strangley the phone still sending data even if link timeout should be elapsed